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  • 1
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-06-27
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):1506. doi: 10.1126/science.348.6242.1506.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staff writer for Science Careers. For more on life and careers, visit ScienceCareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113726" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Biomedical Research ; *Faculty, Medical ; Health Promotion/*methods ; Health Status ; Humans ; Mental Health ; *Research Personnel ; Stress, Psychological/prevention & control
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 2
    Publikationsdatum: 2015-05-09
    Beschreibung: Technical advances have enabled the collection of genome and transcriptome data sets with single-cell resolution. However, single-cell characterization of the epigenome has remained challenging. Furthermore, because cells must be physically separated before biochemical processing, conventional single-cell preparatory methods scale linearly. We applied combinatorial cellular indexing to measure chromatin accessibility in thousands of single cells per assay, circumventing the need for compartmentalization of individual cells. We report chromatin accessibility profiles from more than 15,000 single cells and use these data to cluster cells on the basis of chromatin accessibility landscapes. We identify modules of coordinately regulated chromatin accessibility at the level of single cells both between and within cell types, with a scalable method that may accelerate progress toward a human cell atlas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cusanovich, Darren A -- Daza, Riza -- Adey, Andrew -- Pliner, Hannah A -- Christiansen, Lena -- Gunderson, Kevin L -- Steemers, Frank J -- Trapnell, Cole -- Shendure, Jay -- 1DP1HG007811/DP/NCCDPHP CDC HHS/ -- New York, N.Y. -- Science. 2015 May 22;348(6237):910-4. doi: 10.1126/science.aab1601. Epub 2015 May 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Washington, Department of Genome Sciences, Seattle, WA, USA. ; Oregon Health and Science University, Department of Molecular and Medical Genetics, Portland, OR, USA. ; Illumina, Inc., Advanced Research Group, San Diego, CA, USA. ; University of Washington, Department of Genome Sciences, Seattle, WA, USA. shendure@uw.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25953818" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Chromatin/*metabolism ; *Epigenesis, Genetic ; HEK293 Cells ; HL-60 Cells ; Humans ; Single-Cell Analysis/*methods
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 3
    Publikationsdatum: 2015-08-22
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugden, Andrew -- Fahrenkamp-Uppenbrink, Julia -- Malakoff, David -- Vignieri, Sacha -- New York, N.Y. -- Science. 2015 Aug 21;349(6250):800-1. doi: 10.1126/science.349.6250.800.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26293948" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Conservation of Natural Resources ; *Forests ; Introduced Species ; Trees/growth & development/parasitology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 4
    Publikationsdatum: 2015-09-01
    Beschreibung: Glycerophospholipids, the structural components of cell membranes, have not been considered to be spatial cues for intercellular signaling because of their ubiquitous distribution. We identified lyso-phosphatidyl-beta-D-glucoside (LysoPtdGlc), a hydrophilic glycerophospholipid, and demonstrated its role in modality-specific repulsive guidance of spinal cord sensory axons. LysoPtdGlc is locally synthesized and released by radial glia in a patterned spatial distribution to regulate the targeting of nociceptive but not proprioceptive central axon projections. Library screening identified the G protein-coupled receptor GPR55 as a high-affinity receptor for LysoPtdGlc, and GPR55 deletion or LysoPtdGlc loss of function in vivo caused the misallocation of nociceptive axons into proprioceptive zones. These findings show that LysoPtdGlc/GPR55 is a lipid-based signaling system in glia-neuron communication for neural development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guy, Adam T -- Nagatsuka, Yasuko -- Ooashi, Noriko -- Inoue, Mariko -- Nakata, Asuka -- Greimel, Peter -- Inoue, Asuka -- Nabetani, Takuji -- Murayama, Akiho -- Ohta, Kunihiro -- Ito, Yukishige -- Aoki, Junken -- Hirabayashi, Yoshio -- Kamiguchi, Hiroyuki -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):974-7. doi: 10.1126/science.aab3516.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. ; RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. Lipid Biology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. ; Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Sendai, Miyagi 980-8578, Japan. Japan Science and Technology Agency, Precursory Research for Embryonic Science and Technology (PRESTO), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan. ; Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan. ; Synthetic Cellular Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. ; Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba, Sendai, Miyagi 980-8578, Japan. Japan Agency for Medical Research and Development, Core Research for Evolutional Science and Technology (AMED-CREST), 1-7-1 Otemachi, Chiyoda, Tokyo 100-0004, Japan. ; RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. kamiguchi@brain.riken.jp hirabaya@riken.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315437" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Axons/*physiology ; Chick Embryo ; Coculture Techniques ; Ganglia, Spinal/*cytology/physiology ; Gene Knockout Techniques ; Glycerophospholipids/analysis/metabolism/*physiology ; Glycolipids/analysis/*physiology ; Mice ; Nerve Growth Factor/pharmacology ; Neuroglia/*physiology ; Nociceptors/*physiology ; Receptor, trkA/metabolism ; Receptor, trkC/metabolism ; Receptors, Cannabinoid/genetics/*physiology ; Spinal Cord/*cytology/*embryology ; Tissue Culture Techniques
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 5
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-05-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 May 1;348(6234):602. doi: 10.1126/science.348.6234.602.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staf writer for Science Careers. For more on life and careers, visit www.sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931563" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Botany/*education ; *Career Choice ; Hawaii ; Iraq War, 2003-2011 ; Warfare
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 6
    Publikationsdatum: 2015-01-17
    Beschreibung: In cuprate high-temperature superconductors, an antiferromagnetic Mott insulating state can be destabilized toward unconventional superconductivity by either hole or electron doping. In hole-doped (p-type) cuprates, a charge ordering (CO) instability competes with superconductivity inside the pseudogap state. We report resonant x-ray scattering measurements that demonstrate the presence of charge ordering in the n-type cuprate Nd(2-x)Ce(x)CuO4 near optimal doping. We find that the CO in Nd(2-x)Ce(x)CuO4 occurs with similar periodicity, and along the same direction, as in p-type cuprates. However, in contrast to the latter, the CO onset in Nd(2-x)Ce(x)CuO4 is higher than the pseudogap temperature, and is in the temperature range where antiferromagnetic fluctuations are first detected. Our discovery opens a parallel path to the study of CO and its relationship to antiferromagnetism and superconductivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉da Silva Neto, Eduardo H -- Comin, Riccardo -- He, Feizhou -- Sutarto, Ronny -- Jiang, Yeping -- Greene, Richard L -- Sawatzky, George A -- Damascelli, Andrea -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2015 Jan 16;347(6219):282-5. doi: 10.1126/science.1256441.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada. Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada. Max Planck Institute for Solid State Research, D-70569 Stuttgart, Germany. Quantum Materials Program, Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada. ehda@physics.ubc.ca damascelli@physics.ubc.ca. ; Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada. Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada. ; Canadian Light Source, Saskatoon, Saskatchewan S7N 2V3, Canada. ; Center for Nanophysics and Advanced Materials and Department of Physics, University of Maryland, College Park, MD 20742, USA. ; Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada. Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada. ehda@physics.ubc.ca damascelli@physics.ubc.ca.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25593186" target="_blank"〉PubMed〈/a〉
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 7
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-02-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kloor, Keith -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):699. doi: 10.1126/science.347.6223.699.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678635" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Access to Information ; Agriculture/*legislation & jurisprudence ; Biotechnology/*legislation & jurisprudence ; Commerce ; Food Labeling/*legislation & jurisprudence ; Food, Genetically Modified/*adverse effects ; Humans ; Research Personnel ; United States ; Universities
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  • 8
    Publikationsdatum: 2015-02-07
    Beschreibung: Modern microelectronic devices have nanoscale features that dissipate power nonuniformly, but fundamental physical limits frustrate efforts to detect the resulting temperature gradients. Contact thermometers disturb the temperature of a small system, while radiation thermometers struggle to beat the diffraction limit. Exploiting the same physics as Fahrenheit's glass-bulb thermometer, we mapped the thermal expansion of Joule-heated, 80-nanometer-thick aluminum wires by precisely measuring changes in density. With a scanning transmission electron microscope and electron energy loss spectroscopy, we quantified the local density via the energy of aluminum's bulk plasmon. Rescaling density to temperature yields maps with a statistical precision of 3 kelvin/hertz(-1/2), an accuracy of 10%, and nanometer-scale resolution. Many common metals and semiconductors have sufficiently sharp plasmon resonances to serve as their own thermometers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mecklenburg, Matthew -- Hubbard, William A -- White, E R -- Dhall, Rohan -- Cronin, Stephen B -- Aloni, Shaul -- Regan, B C -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):629-32. doi: 10.1126/science.aaa2433.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Electron Microscopy and Microanalysis, University of Southern California, Los Angeles, CA 90089, USA. matthew.mecklenburg@usc.edu regan@physics.ucla.edu. ; Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA. California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA. ; Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA. ; Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA. ; Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA. California NanoSystems Institute, University of California, Los Angeles, CA 90095, USA. matthew.mecklenburg@usc.edu regan@physics.ucla.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657242" target="_blank"〉PubMed〈/a〉
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-09-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meckling, Jonas -- Kelsey, Nina -- Biber, Eric -- Zysman, John -- New York, N.Y. -- Science. 2015 Sep 11;349(6253):1170-1. doi: 10.1126/science.aab1336.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA 94720, USA. Berkeley Roundtable on the International Economy, University of California, Berkeley, CA 94720, USA. meckling@berkeley.edu. ; Center for Information Technology Research in the Interest of Society, University of California, Berkeley, CA 94720, USA. Berkeley Roundtable on the International Economy, University of California, Berkeley, CA 94720, USA. Institute of Governmental Studies, University of California, Berkeley, CA 94720, USA. ; School of Law, University of California, Berkeley, CA 94720, USA. Berkeley Roundtable on the International Economy, University of California, Berkeley, CA 94720, USA. ; Department of Political Science, University of California, Berkeley, CA 94720, USA. Berkeley Roundtable on the International Economy, University of California, Berkeley, CA 94720, USA. Center for Information Technology Research in the Interest of Society, University of California, Berkeley, CA 94720, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26359392" target="_blank"〉PubMed〈/a〉
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 10
    Publikationsdatum: 2015-05-02
    Beschreibung: Topological defects play important roles throughout nature, appearing in contexts as diverse as cosmology, particle physics, superfluidity, liquid crystals, and metallurgy. Point defects can arise naturally as magnetic monopoles resulting from symmetry breaking in grand unified theories. We devised an experiment to create and detect quantum mechanical analogs of such monopoles in a spin-1 Bose-Einstein condensate. The defects, which were stable on the time scale of our experiments, were identified from spin-resolved images of the condensate density profile that exhibit a characteristic dependence on the choice of quantization axis. Our observations lay the foundation for experimental studies of the dynamics and stability of topological point defects in quantum systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ray, M W -- Ruokokoski, E -- Tiurev, K -- Mottonen, M -- Hall, D S -- New York, N.Y. -- Science. 2015 May 1;348(6234):544-7. doi: 10.1126/science.1258289.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics and Astronomy, Amherst College, Amherst, MA 01002, USA. ; QCD Labs, COMP Centre of Excellence, Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland. ; QCD Labs, COMP Centre of Excellence, Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland. Low Temperature Laboratory (OVLL), Aalto University, FI-00076 Aalto, Finland. mikko.mottonen@aalto.fi.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931553" target="_blank"〉PubMed〈/a〉
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-02-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guzman, Jorge -- Stern, Scott -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):606-9. doi: 10.1126/science.aaa0201. Epub 2015 Feb 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. ; Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02142, USA. National Bureau of Economic Research, Cambridge, MA 02138, USA. sstern@mit.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657229" target="_blank"〉PubMed〈/a〉
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 12
    Publikationsdatum: 2015-05-09
    Beschreibung: Photosynthetic splitting of water into oxygen by plants, algae, and cyanobacteria is catalyzed by the oxygen-evolving center (OEC). Synthetic mimics of the OEC, which is composed of an asymmetric manganese-calcium-oxygen cluster bound to protein groups, may promote insight into the structural and chemical determinants of biological water oxidation and lead to development of superior catalysts for artificial photosynthesis. We synthesized a Mn4Ca-cluster similar to the native OEC in both the metal-oxygen core and the binding protein groups. Like the native OEC, the synthetic cluster can undergo four redox transitions and shows two magnetic resonance signals assignable to redox and structural isomerism. Comparison with previously synthesized Mn3CaO4-cubane clusters suggests that the fourth Mn ion determines redox potentials and magnetic properties of the native OEC.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Chunxi -- Chen, Changhui -- Dong, Hongxing -- Shen, Jian-Ren -- Dau, Holger -- Zhao, Jingquan -- New York, N.Y. -- Science. 2015 May 8;348(6235):690-3. doi: 10.1126/science.aaa6550.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China. chunxizhang@iccas.ac.cn dhongxing@hrbeu.edu.cn holger.dau@fu-berlin.de. ; College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China. ; College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China. chunxizhang@iccas.ac.cn dhongxing@hrbeu.edu.cn holger.dau@fu-berlin.de. ; Photosynthesis Research Center, Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan. ; Department of Physics, Free University Berlin, Arnimallee 14, 14195 Berlin, Germany. chunxizhang@iccas.ac.cn dhongxing@hrbeu.edu.cn holger.dau@fu-berlin.de. ; Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25954008" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Calcium/*chemistry ; Manganese/*chemistry ; *Molecular Mimicry ; Oxygen/*chemistry ; *Photosynthesis ; Photosystem II Protein Complex/*chemistry ; Water/*chemistry
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-12-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reczek, Colleen R -- Chandel, Navdeep S -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1317-8. doi: 10.1126/science.aad8671.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine and Robert H. Lurie Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. ; Department of Medicine and Robert H. Lurie Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. nav@northwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26659042" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Ascorbic Acid/*therapeutic use ; Colorectal Neoplasms/*drug therapy/*genetics ; Female ; Humans ; Proto-Oncogene Proteins/*genetics ; Proto-Oncogene Proteins B-raf/*genetics ; ras Proteins/*genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-05-09
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sun, Licheng -- New York, N.Y. -- Science. 2015 May 8;348(6235):635-6. doi: 10.1126/science.aaa9094.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Fine Chemicals, DUTKTH Joint Education and Research Center on Molecular Devices, Dalian University of Technology (DUT), Dalian 116024, China, and Department of Chemistry, KTH Royal Institute of Technology, 10044 Stockholm, Sweden. lichengs@kth.se.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25953993" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Calcium/*chemistry ; Manganese/*chemistry ; *Molecular Mimicry ; Oxygen/*chemistry ; *Photosynthesis ; Photosystem II Protein Complex/*chemistry ; Water/*chemistry
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-06-13
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kloosterman, Wigard P -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1205-6. doi: 10.1126/science.aac5277.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medical Genetics, Center for Molecular Medicine, University Medical Center Utrecht, 3584CG Utrecht, Netherlands. w.kloosterman@umcutrecht.nl.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068832" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Chromosome Breakage ; *DNA Damage ; Humans ; *Micronuclei, Chromosome-Defective
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 16
    Publikationsdatum: 2015-02-28
    Beschreibung: Double-stranded RNAs (dsRNAs) targeted against essential genes can trigger a lethal RNA interference (RNAi) response in insect pests. The application of this concept in plant protection is hampered by the presence of an endogenous plant RNAi pathway that processes dsRNAs into short interfering RNAs. We found that long dsRNAs can be stably produced in chloroplasts, a cellular compartment that appears to lack an RNAi machinery. When expressed from the chloroplast genome, dsRNAs accumulated to as much as 0.4% of the total cellular RNA. Transplastomic potato plants producing dsRNAs targeted against the beta-actin gene of the Colorado potato beetle, a notorious agricultural pest, were protected from herbivory and were lethal to its larvae. Thus, chloroplast expression of long dsRNAs can provide crop protection without chemical pesticides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Jiang -- Khan, Sher Afzal -- Hasse, Claudia -- Ruf, Stephanie -- Heckel, David G -- Bock, Ralph -- New York, N.Y. -- Science. 2015 Feb 27;347(6225):991-4. doi: 10.1126/science.1261680.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Max-Planck-Institut fur Molekulare Pflanzenphysiologie, D-14476 Potsdam-Golm, Germany. ; Max-Planck-Institut fur Chemische Okologie, D-07745 Jena, Germany. ; Max-Planck-Institut fur Molekulare Pflanzenphysiologie, D-14476 Potsdam-Golm, Germany. rbock@mpimp-golm.mpg.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25722411" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Actins/*antagonists & inhibitors/genetics ; Animals ; Beetles/*genetics/pathogenicity ; Crops, Agricultural/genetics/*parasitology ; Genetic Vectors ; Pest Control, Biological/*methods ; Plant Leaves/genetics/parasitology ; Plastids/*genetics ; *RNA Interference ; RNA, Double-Stranded/*genetics ; RNA, Small Interfering/*genetics/metabolism ; Solanum tuberosum/genetics/*parasitology ; Transformation, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 17
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-04-18
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):269. doi: 10.1126/science.348.6232.269.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883332" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Engineering/*education/manpower ; Faculty/*statistics & numerical data ; Female ; Humans ; Male ; Mathematics/*education/manpower ; Science/*education/manpower ; Sex Factors ; Technology/*education/manpower ; United States ; Women, Working/*statistics & numerical data
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-03-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hackett, Perry -- Carroll, Dana -- P01 HD032652/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1324. doi: 10.1126/science.347.6228.1324.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Cell Biology, and Development, Center for Genome Engineering, University of Minnesota, Minneapolis, MN 55455, USA. hacke004@umn.edu. ; Department of Biochemistry, School of Medicine, University of Utah, Salt Lake City, UT 84112, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25792322" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agriculture/*legislation & jurisprudence ; Animals ; *Government Regulation ; *Organisms, Genetically Modified ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 19
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-11-28
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dajani, Rana -- New York, N.Y. -- Science. 2015 Nov 27;350(6264):1043. doi: 10.1126/science.350.6264.1043-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology and Biotechnology, Hashemite University, Zarqa, Jordan. rdajani@hu.edu.jo.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26612944" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Art ; Equipment Reuse ; Fibroblasts ; Gloves, Protective ; Jordan ; Laboratories ; Mice ; Recycling/*methods ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 20
    Publikationsdatum: 2015-11-14
    Beschreibung: The RNA-guided CRISPR-associated protein Cas9 is used for genome editing, transcriptional modulation, and live-cell imaging. Cas9-guide RNA complexes recognize and cleave double-stranded DNA sequences on the basis of 20-nucleotide RNA-DNA complementarity, but the mechanism of target searching in mammalian cells is unknown. Here, we use single-particle tracking to visualize diffusion and chromatin binding of Cas9 in living cells. We show that three-dimensional diffusion dominates Cas9 searching in vivo, and off-target binding events are, on average, short-lived (〈1 second). Searching is dependent on the local chromatin environment, with less sampling and slower movement within heterochromatin. These results reveal how the bacterial Cas9 protein interrogates mammalian genomes and navigates eukaryotic chromatin structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knight, Spencer C -- Xie, Liangqi -- Deng, Wulan -- Guglielmi, Benjamin -- Witkowsky, Lea B -- Bosanac, Lana -- Zhang, Elisa T -- El Beheiry, Mohamed -- Masson, Jean-Baptiste -- Dahan, Maxime -- Liu, Zhe -- Doudna, Jennifer A -- Tjian, Robert -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):823-6. doi: 10.1126/science.aac6572.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of California, Berkeley, CA, USA. ; Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA. ; Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. Transcriptional Imaging Consortium, Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. ; Laboratoire Physico-Chimie Curie, Institut Curie, Centre National de la Recherche Scientifique UMR 168, Paris, France. ; Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. ; Transcriptional Imaging Consortium, Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. Laboratoire Physico-Chimie Curie, Institut Curie, Centre National de la Recherche Scientifique UMR 168, Paris, France. ; Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. Transcriptional Imaging Consortium, Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. liuz11@janelia.hhmi.org doudna@berkeley.edu jmlim@berkeley.edu. ; Department of Chemistry, University of California, Berkeley, CA, USA. Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA. Howard Hughes Medical Institute, Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA. Physical Biosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA. Innovative Genomics Initiative, University of California, Berkeley, CA, USA. liuz11@janelia.hhmi.org doudna@berkeley.edu jmlim@berkeley.edu. ; Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA. Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. Transcriptional Imaging Consortium, Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. Howard Hughes Medical Institute, Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA. Li Ka Shing Biomedical and Health Sciences Center, University of California, Berkeley, CA, USA. liuz11@janelia.hhmi.org doudna@berkeley.edu jmlim@berkeley.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564855" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): 3T3 Cells ; Animals ; Bacterial Proteins/chemistry/*metabolism ; *CRISPR-Cas Systems ; Chromatin/chemistry/*metabolism/ultrastructure ; Clustered Regularly Interspaced Short Palindromic Repeats ; *DNA Cleavage ; Endonucleases/chemistry/*metabolism ; *Genetic Engineering ; Genome ; Mice ; Single-Cell Analysis
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-01-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reich, Justin -- New York, N.Y. -- Science. 2015 Jan 2;347(6217):34-5. doi: 10.1126/science.1261627.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉HarvardX, Harvard University, Cambridge, MA 02476, USA. justin_reich@harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25554779" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Access to Information ; Education, Distance/*methods ; Humans ; *Information Dissemination ; Learning ; *Online Systems ; Research Design
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 22
    Publikationsdatum: 2015-06-27
    Beschreibung: Eighty years ago, it was proposed that solid hydrogen would become metallic at sufficiently high density. Despite numerous investigations, this transition has not yet been experimentally observed. More recently, there has been much interest in the analog of this predicted metallic transition in the dense liquid, due to its relevance to planetary science. Here, we show direct observation of an abrupt insulator-to-metal transition in dense liquid deuterium. Experimental determination of the location of this transition provides a much-needed benchmark for theory and may constrain the region of hydrogen-helium immiscibility and the boundary-layer pressure in standard models of the internal structure of gas-giant planets.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Knudson, M D -- Desjarlais, M P -- Becker, A -- Lemke, R W -- Cochrane, K R -- Savage, M E -- Bliss, D E -- Mattsson, T R -- Redmer, R -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):1455-60. doi: 10.1126/science.aaa7471.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sandia National Laboratories, Albuquerque, NM, USA. mdknuds@sandia.gov. ; Sandia National Laboratories, Albuquerque, NM, USA. ; Institute of Physics, University of Rostock, Rostock, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113719" target="_blank"〉PubMed〈/a〉
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 23
    Publikationsdatum: 2015-05-23
    Beschreibung: Microbes are dominant drivers of biogeochemical processes, yet drawing a global picture of functional diversity, microbial community structure, and their ecological determinants remains a grand challenge. We analyzed 7.2 terabases of metagenomic data from 243 Tara Oceans samples from 68 locations in epipelagic and mesopelagic waters across the globe to generate an ocean microbial reference gene catalog with 〉40 million nonredundant, mostly novel sequences from viruses, prokaryotes, and picoeukaryotes. Using 139 prokaryote-enriched samples, containing 〉35,000 species, we show vertical stratification with epipelagic community composition mostly driven by temperature rather than other environmental factors or geography. We identify ocean microbial core functionality and reveal that 〉73% of its abundance is shared with the human gut microbiome despite the physicochemical differences between these two ecosystems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sunagawa, Shinichi -- Coelho, Luis Pedro -- Chaffron, Samuel -- Kultima, Jens Roat -- Labadie, Karine -- Salazar, Guillem -- Djahanschiri, Bardya -- Zeller, Georg -- Mende, Daniel R -- Alberti, Adriana -- Cornejo-Castillo, Francisco M -- Costea, Paul I -- Cruaud, Corinne -- d'Ovidio, Francesco -- Engelen, Stefan -- Ferrera, Isabel -- Gasol, Josep M -- Guidi, Lionel -- Hildebrand, Falk -- Kokoszka, Florian -- Lepoivre, Cyrille -- Lima-Mendez, Gipsi -- Poulain, Julie -- Poulos, Bonnie T -- Royo-Llonch, Marta -- Sarmento, Hugo -- Vieira-Silva, Sara -- Dimier, Celine -- Picheral, Marc -- Searson, Sarah -- Kandels-Lewis, Stefanie -- Tara Oceans coordinators -- Bowler, Chris -- de Vargas, Colomban -- Gorsky, Gabriel -- Grimsley, Nigel -- Hingamp, Pascal -- Iudicone, Daniele -- Jaillon, Olivier -- Not, Fabrice -- Ogata, Hiroyuki -- Pesant, Stephane -- Speich, Sabrina -- Stemmann, Lars -- Sullivan, Matthew B -- Weissenbach, Jean -- Wincker, Patrick -- Karsenti, Eric -- Raes, Jeroen -- Acinas, Silvia G -- Bork, Peer -- New York, N.Y. -- Science. 2015 May 22;348(6237):1261359. doi: 10.1126/science.1261359.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. sunagawa@embl.de karsenti@embl.de jeroen.raes@vib-kuleuven.be sacinas@icm.csic.es bork@embl.de. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. Center for the Biology of Disease, VIB, Herestraat 49, 3000 Leuven, Belgium. Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. ; CEA-Institut de Genomique, GENOSCOPE, 2 rue Gaston Cremieux, 91057 Evry, France. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta, 37-49, Barcelona E08003, Spain. ; Sorbonne Universites, UPMC, Universite Paris 06, CNRS-IRD-MNHN, LOCEAN Laboratory, 4 Place Jussieu, 75005 Paris France. ; CNRS, UMR 7093, Laboratoire d'Oceanographie de Villefranche-sur-Mer, Observatoire Oceanologique, F-06230 Villefranche-sur-mer, France. Sorbonne Universites, UPMC Universite Paris 06, UMR 7093, LOV, Observatoire Oceanologique, F-06230 Villefranche-sur-mer, France. ; Ecole Normale Superieure, Institut de Biologie de l'ENS (IBENS), and Inserm U1024, and CNRS UMR 8197, F-75005 Paris, France. Laboratoire de Physique des Oceans UBO-IUEM, Place Copernic 29820 Plouzane, France. ; Aix Marseille Universite CNRS IGS UMR 7256, 13288 Marseille, France. ; Department of Ecology and Evolutionary Biology, University of Arizona, 1007 East Lowell Street, Tucson, AZ 85721, USA. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta, 37-49, Barcelona E08003, Spain. Department of Hydrobiology, Federal University of Sao Carlos (UFSCar), Rodovia Washington Luiz, 13565-905 Sao Carlos, Sao Paulo, Brazil. ; Ecole Normale Superieure, Institut de Biologie de l'ENS (IBENS), and Inserm U1024, and CNRS UMR 8197, F-75005 Paris, France. CNRS, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Sorbonne Universites, UPMC Universite Paris 06, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Directors' Research, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. ; Ecole Normale Superieure, Institut de Biologie de l'ENS (IBENS), and Inserm U1024, and CNRS UMR 8197, F-75005 Paris, France. ; CNRS, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. Sorbonne Universites, UPMC Universite Paris 06, UMR 7144, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France. ; CNRS UMR 7232, BIOM, Avenue du Fontaule, 66650 Banyuls-sur-Mer, France. Sorbonne Universites Paris 06, OOB UPMC, Avenue du Fontaule, 66650 Banyuls-sur-Mer, France. ; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy. ; CEA-Institut de Genomique, GENOSCOPE, 2 rue Gaston Cremieux, 91057 Evry, France. CNRS, UMR 8030, CP5706, Evry, France. Universite d'Evry, UMR 8030, CP5706, Evry, France. ; Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto, 611-001, Japan. ; PANGAEA, Data Publisher for Earth and Environmental Science, University of Bremen, Bremen, Germany. MARUM, Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany. ; Department of Geosciences, Laboratoire de Meteorologie Dynamique (LMD), Ecole Normale Superieure, 24 rue Lhomond, 75231 Paris Cedex 05, France. Laboratoire de Physique des Oceans UBO-IUEM, Place Copernic, 29820 Plouzane, France. ; Ecole Normale Superieure, Institut de Biologie de l'ENS (IBENS), and Inserm U1024, and CNRS UMR 8197, F-75005 Paris, France. Directors' Research, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. sunagawa@embl.de karsenti@embl.de jeroen.raes@vib-kuleuven.be sacinas@icm.csic.es bork@embl.de. ; Department of Microbiology and Immunology, Rega Institute, KU Leuven, Herestraat 49, 3000 Leuven, Belgium. Center for the Biology of Disease, VIB, Herestraat 49, 3000 Leuven, Belgium. Department of Applied Biological Sciences, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium. sunagawa@embl.de karsenti@embl.de jeroen.raes@vib-kuleuven.be sacinas@icm.csic.es bork@embl.de. ; Department of Marine Biology and Oceanography, Institute of Marine Sciences (ICM)-CSIC, Pg. Maritim de la Barceloneta, 37-49, Barcelona E08003, Spain. sunagawa@embl.de karsenti@embl.de jeroen.raes@vib-kuleuven.be sacinas@icm.csic.es bork@embl.de. ; Structural and Computational Biology, European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany. Max-Delbruck-Centre for Molecular Medicine, 13092 Berlin, Germany. sunagawa@embl.de karsenti@embl.de jeroen.raes@vib-kuleuven.be sacinas@icm.csic.es bork@embl.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999513" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Databases, Genetic ; Ecosystem ; Gastrointestinal Tract/microbiology ; Genetic Variation ; Humans ; Metagenome ; Microbiota/*genetics ; Oceans and Seas ; Plankton/*classification/genetics/isolation & purification ; Seawater/*microbiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 24
    Publikationsdatum: 2015-06-13
    Beschreibung: Jan et al. (Research Articles, 7 November 2014, p. 716) propose that ribosomes translating secretome messenger RNAs (mRNAs) traffic from the cytosol to the endoplasmic reticulum (ER) upon emergence of the signal peptide and return to the cytosol after termination. An accounting of controls demonstrates that mRNAs initiate translation on ER-bound ribosomes and that ribosomes are retained on the ER through many cycles of translation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reid, David W -- Nicchitta, Christopher V -- GM101533/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1217. doi: 10.1126/science.aaa7257. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Program in Cardiovascular and Metabolic Disorders, Duke-NUS Graduate Medical School, Singapore 169857, Singapore. ; Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA. christopher.nicchitta@duke.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068841" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cells/*metabolism ; Endoplasmic Reticulum/*metabolism ; Humans ; Mitochondria/*metabolism ; *Protein Biosynthesis ; Ribosomes/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 25
    Publikationsdatum: 2015-02-24
    Beschreibung: According to the disease module hypothesis, the cellular components associated with a disease segregate in the same neighborhood of the human interactome, the map of biologically relevant molecular interactions. Yet, given the incompleteness of the interactome and the limited knowledge of disease-associated genes, it is not obvious if the available data have sufficient coverage to map out modules associated with each disease. Here we derive mathematical conditions for the identifiability of disease modules and show that the network-based location of each disease module determines its pathobiological relationship to other diseases. For example, diseases with overlapping network modules show significant coexpression patterns, symptom similarity, and comorbidity, whereas diseases residing in separated network neighborhoods are phenotypically distinct. These tools represent an interactome-based platform to predict molecular commonalities between phenotypically related diseases, even if they do not share primary disease genes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4435741/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4435741/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Menche, Jorg -- Sharma, Amitabh -- Kitsak, Maksim -- Ghiassian, Susan Dina -- Vidal, Marc -- Loscalzo, Joseph -- Barabasi, Albert-Laszlo -- P01-HL083069/HL/NHLBI NIH HHS/ -- P50 HG004233/HG/NHGRI NIH HHS/ -- P50-HG004233/HG/NHGRI NIH HHS/ -- R37 HL061795/HL/NHLBI NIH HHS/ -- R37-HL061795/HL/NHLBI NIH HHS/ -- RC2-HL101543/HL/NHLBI NIH HHS/ -- U01 HG001715/HG/NHGRI NIH HHS/ -- U01 HG007690/HG/NHGRI NIH HHS/ -- U01 HL108630/HL/NHLBI NIH HHS/ -- U01-HG001715/HG/NHGRI NIH HHS/ -- U01-HG007690/HG/NHGRI NIH HHS/ -- U01-HL108630/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):1257601. doi: 10.1126/science.1257601.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Complex Networks Research and Department of Physics, Northeastern University, 110 Forsyth Street, 111 Dana Research Center, Boston, MA 02115, USA. Center for Cancer Systems Biology (CCSB) and Department of Cancer Biology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA. Center for Network Science, Central European University, Nador u. 9, 1051 Budapest, Hungary. ; Center for Complex Networks Research and Department of Physics, Northeastern University, 110 Forsyth Street, 111 Dana Research Center, Boston, MA 02115, USA. Center for Cancer Systems Biology (CCSB) and Department of Cancer Biology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA. ; Center for Cancer Systems Biology (CCSB) and Department of Cancer Biology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA. Department of Genetics, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA. ; Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA. ; Center for Complex Networks Research and Department of Physics, Northeastern University, 110 Forsyth Street, 111 Dana Research Center, Boston, MA 02115, USA. Center for Cancer Systems Biology (CCSB) and Department of Cancer Biology, Dana-Farber Cancer Institute, 450 Brookline Avenue, Boston, MA 02215, USA. Center for Network Science, Central European University, Nador u. 9, 1051 Budapest, Hungary. Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA. alb@neu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700523" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Comorbidity ; Disease/*etiology/genetics ; *Genetic Predisposition to Disease ; Humans ; *Information Services ; *Protein Interaction Maps
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 26
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-06-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sundquist, Wesley I -- Ullman, Katharine S -- P50 GM082545/GM/NIGMS NIH HHS/ -- R01 AI051174/AI/NIAID NIH HHS/ -- R01 GM112080/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 19;348(6241):1314-5. doi: 10.1126/science.aac7083.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Utah School of Medicine, Salt Lake City, UT 84112-5650, USA. wes@biochem.utah.edu katharine.ullman@hci.utah.edu. ; Department of Oncological Sciences, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112-5650, USA. wes@biochem.utah.edu katharine.ullman@hci.utah.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26089496" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adenosine Triphosphatases/*metabolism ; Endosomal Sorting Complexes Required for Transport/*metabolism ; Humans ; *Membrane Fusion ; Nuclear Envelope/*metabolism ; Spindle Apparatus/*metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 27
    Publikationsdatum: 2015-05-09
    Beschreibung: Transcriptional regulation and posttranscriptional processing underlie many cellular and organismal phenotypes. We used RNA sequence data generated by Genotype-Tissue Expression (GTEx) project to investigate the patterns of transcriptome variation across individuals and tissues. Tissues exhibit characteristic transcriptional signatures that show stability in postmortem samples. These signatures are dominated by a relatively small number of genes-which is most clearly seen in blood-though few are exclusive to a particular tissue and vary more across tissues than individuals. Genes exhibiting high interindividual expression variation include disease candidates associated with sex, ethnicity, and age. Primary transcription is the major driver of cellular specificity, with splicing playing mostly a complementary role; except for the brain, which exhibits a more divergent splicing program. Variation in splicing, despite its stochasticity, may play in contrast a comparatively greater role in defining individual phenotypes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4547472/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4547472/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mele, Marta -- Ferreira, Pedro G -- Reverter, Ferran -- DeLuca, David S -- Monlong, Jean -- Sammeth, Michael -- Young, Taylor R -- Goldmann, Jakob M -- Pervouchine, Dmitri D -- Sullivan, Timothy J -- Johnson, Rory -- Segre, Ayellet V -- Djebali, Sarah -- Niarchou, Anastasia -- GTEx Consortium -- Wright, Fred A -- Lappalainen, Tuuli -- Calvo, Miquel -- Getz, Gad -- Dermitzakis, Emmanouil T -- Ardlie, Kristin G -- Guigo, Roderic -- HHSN261200800001E/PHS HHS/ -- HHSN268201000029C/HL/NHLBI NIH HHS/ -- HHSN268201000029C/PHS HHS/ -- R01 DA006227-17/DA/NIDA NIH HHS/ -- R01 MH090936/MH/NIMH NIH HHS/ -- R01 MH090941/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 2015 May 8;348(6235):660-5. doi: 10.1126/science.aaa0355.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Harvard Department of stem cell and regenerative biology, Harvard University, Cambridge, MA, USA. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland. Institute for Genetics and Genomics in Geneva (iGE3), University of Geneva, Geneva, Switzerland. Swiss Institute of Bioinformatics, Geneva, Switzerland. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Facultat de Biologia, Universitat de Barcelona (UB), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. ; Broad Institute of MIT and Harvard, Cambridge, MA, USA. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. McGill University, Montreal, Canada. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. National Institute for Scientific Computing (LNCC), Petropolis, Rio de Janeiro, Brazil. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. Radboud University, Nijmegen, Netherlands. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. Faculty of Bioengineering and Bioinformatics, Moscow State University, Leninskie Gory 1-73, 119992 Moscow, Russia. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. ; Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland. Institute for Genetics and Genomics in Geneva (iGE3), University of Geneva, Geneva, Switzerland. Swiss Institute of Bioinformatics, Geneva, Switzerland. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Harvard Department of stem cell and regenerative biology, Harvard University, Cambridge, MA, USA. Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland. Institute for Genetics and Genomics in Geneva (iGE3), University of Geneva, Geneva, Switzerland. Swiss Institute of Bioinformatics, Geneva, Switzerland. Facultat de Biologia, Universitat de Barcelona (UB), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. Broad Institute of MIT and Harvard, Cambridge, MA, USA. McGill University, Montreal, Canada. National Institute for Scientific Computing (LNCC), Petropolis, Rio de Janeiro, Brazil. Radboud University, Nijmegen, Netherlands. Faculty of Bioengineering and Bioinformatics, Moscow State University, Leninskie Gory 1-73, 119992 Moscow, Russia. North Carolina State University, Raleigh, NC, USA. New York Genome Center, New York, NY, USA. Department of Systems Biology, Columbia University, New York, NY, USA. Cancer Center and Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA. Institut Hospital del Mar d'Investigacions Mediques (IMIM), Barcelona, Catalonia, Spain. Joint CRG-Barcelona Super Computing Center (BSC)-Institut de Recerca Biomedica (IRB) Program in Computational Biology, Barcelona, Catalonia, Spain. ; North Carolina State University, Raleigh, NC, USA. ; Department of Genetic Medicine and Development, University of Geneva, Geneva, Switzerland. Institute for Genetics and Genomics in Geneva (iGE3), University of Geneva, Geneva, Switzerland. Swiss Institute of Bioinformatics, Geneva, Switzerland. New York Genome Center, New York, NY, USA. Department of Systems Biology, Columbia University, New York, NY, USA. ; Facultat de Biologia, Universitat de Barcelona (UB), Barcelona, Catalonia, Spain. ; Broad Institute of MIT and Harvard, Cambridge, MA, USA. Cancer Center and Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA. ; Broad Institute of MIT and Harvard, Cambridge, MA, USA. kardlie@broadinstitute.org roderic.guigo@crg.cat. ; Center for Genomic Regulation (CRG), Barcelona, Catalonia, Spain. Universitat Pompeu Fabra (UPF), Barcelona, Catalonia, Spain. Institut Hospital del Mar d'Investigacions Mediques (IMIM), Barcelona, Catalonia, Spain. Joint CRG-Barcelona Super Computing Center (BSC)-Institut de Recerca Biomedica (IRB) Program in Computational Biology, Barcelona, Catalonia, Spain. kardlie@broadinstitute.org roderic.guigo@crg.cat.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25954002" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alternative Splicing ; Female ; Gene Expression Profiling ; *Gene Expression Regulation ; Genome, Human/*genetics ; Humans ; Male ; Organ Specificity/genetics ; Phenotype ; Polymorphism, Single Nucleotide ; Sequence Analysis, RNA ; Sex Factors ; *Transcriptome
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 28
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-03-15
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1282. doi: 10.1126/science.347.6227.1282.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staf writer for Science Careers. For more on life and careers, visit sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766239" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Career Choice ; Drug Discovery/*organization & administration ; *Entrepreneurship ; Humans ; Rare Diseases/*drug therapy
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 29
    Publikationsdatum: 2015-10-10
    Beschreibung: The NLR family apoptosis inhibitory proteins (NAIPs) bind conserved bacterial ligands, such as the bacterial rod protein PrgJ, and recruit NLR family CARD-containing protein 4 (NLRC4) as the inflammasome adapter to activate innate immunity. We found that the PrgJ-NAIP2-NLRC4 inflammasome is assembled into multisubunit disk-like structures through a unidirectional adenosine triphosphatase polymerization, primed with a single PrgJ-activated NAIP2 per disk. Cryo-electron microscopy (cryo-EM) reconstruction at subnanometer resolution revealed a ~90 degrees hinge rotation accompanying NLRC4 activation. Unlike in the related heptameric Apaf-1 apoptosome, in which each subunit needs to be conformationally activated by its ligand before assembly, a single PrgJ-activated NAIP2 initiates NLRC4 polymerization in a domino-like reaction to promote the disk assembly. These insights reveal the mechanism of signal amplification in NAIP-NLRC4 inflammasomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4640189/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4640189/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Liman -- Chen, Shuobing -- Ruan, Jianbin -- Wu, Jiayi -- Tong, Alexander B -- Yin, Qian -- Li, Yang -- David, Liron -- Lu, Alvin -- Wang, Wei Li -- Marks, Carolyn -- Ouyang, Qi -- Zhang, Xinzheng -- Mao, Youdong -- Wu, Hao -- 1DP1HD087988/DP/NCCDPHP CDC HHS/ -- AI100645/AI/NIAID NIH HHS/ -- K99 AI108793/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 23;350(6259):404-9. doi: 10.1126/science.aac5789. Epub 2015 Oct 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA. Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA. ; Center for Quantitative Biology, Peking-Tsinghua Joint Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China. Department of Cancer Immunology and Virology, Intel Parallel Computing Center for Structural Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. ; Department of Cancer Immunology and Virology, Intel Parallel Computing Center for Structural Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA. ; Center for Nanoscale Systems, Harvard University, Cambridge, MA 02138, USA. ; Center for Quantitative Biology, Peking-Tsinghua Joint Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China. ; National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. ; Center for Quantitative Biology, Peking-Tsinghua Joint Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China. Department of Cancer Immunology and Virology, Intel Parallel Computing Center for Structural Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA. Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA. wu@crystal.harvard.edu youdong_mao@dfci.harvard.edu. ; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA. Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA. wu@crystal.harvard.edu youdong_mao@dfci.harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26449474" target="_blank"〉PubMed〈/a〉
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  • 30
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-02-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bernstein, Rachel -- New York, N.Y. -- Science. 2015 Feb 6;347(6222):686. doi: 10.1126/science.347.6222.686. Epub 2015 Feb 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rachel Bernstein is a staf writer for Science Careers. For more on life and careers, visit www.sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25657252" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Evolution ; Birds ; *Career Choice ; Cooperative Behavior ; Neurobiology/*manpower
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-05-02
    Beschreibung: The study of light at the nanoscale has become a vibrant field of research, as researchers now master the flow of light at length scales far below the optical wavelength, largely surpassing the classical limits imposed by diffraction. Using metallic and dielectric nanostructures precisely sculpted into two-dimensional (2D) and 3D nanoarchitectures, light can be scattered, refracted, confined, filtered, and processed in fascinating new ways that are impossible to achieve with natural materials and in conventional geometries. This control over light at the nanoscale has not only unveiled a plethora of new phenomena but has also led to a variety of relevant applications, including new venues for integrated circuitry, optical computing, solar, and medical technologies, setting high expectations for many novel discoveries in the years to come.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koenderink, A Femius -- Alu, Andrea -- Polman, Albert -- New York, N.Y. -- Science. 2015 May 1;348(6234):516-21. doi: 10.1126/science.1261243.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Nanophotonics, FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam, Netherlands. ; Center for Nanophotonics, FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam, Netherlands. Department of Electrical and Computer Engineering, University of Texas at Austin, 1616 Guadalupe Street, UTA 7.215, Austin, TX 78712, USA. ; Center for Nanophotonics, FOM Institute AMOLF, Science Park 104, 1098 XG Amsterdam, Netherlands. polman@amolf.nl.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931548" target="_blank"〉PubMed〈/a〉
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 32
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-02-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dantzer, Ben -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):822-3. doi: 10.1126/science.aaa6480.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology and Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA. dantzer@umich.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700499" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Biological Evolution ; *Competitive Behavior ; *Ecosystem ; Female ; Male ; *Maternal Behavior ; Songbirds/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 33
    Publikationsdatum: 2015-02-14
    Beschreibung: A new docodontan mammaliaform from the Middle Jurassic of China has skeletal features for climbing and dental characters indicative of an omnivorous diet that included plant sap. This fossil expands the range of known locomotor adaptations in docodontans to include climbing, in addition to digging and swimming. It further shows that some docodontans had a diet with a substantial herbivorous component, distinctive from the faunivorous diets previously reported in other members of this clade. This reveals a greater ecological diversity in an early mammaliaform clade at a more fundamental taxonomic level not only between major clades as previously thought.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Meng, Qing-Jin -- Ji, Qiang -- Zhang, Yu-Guang -- Liu, Di -- Grossnickle, David M -- Luo, Zhe-Xi -- New York, N.Y. -- Science. 2015 Feb 13;347(6223):764-8. doi: 10.1126/science.1260879.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Beijing Museum of Natural History, Beijing 100050 China. ; Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China. ; Committee on Evolutionary Biology, The University of Chicago, Chicago, IL 60637, USA. ; Committee on Evolutionary Biology, The University of Chicago, Chicago, IL 60637, USA. Department of Organismal Biology and Anatomy, The University of Chicago, Chicago, IL 60637, USA. zxluo@uchicago.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25678661" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animal Feed ; Animals ; *Biodiversity ; China ; Cuspid/anatomy & histology/immunology ; *Dentition ; Forelimb/anatomy & histology/growth & development ; *Herbivory ; Incisor/anatomy & histology/growth & development ; Mammals/anatomy & histology/*classification/*growth & development ; Mandible/anatomy & histology/growth & development ; Phylogeny
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 34
    Publikationsdatum: 2015-05-23
    Beschreibung: Sex determination in the mosquito Aedes aegypti is governed by a dominant male-determining factor (M factor) located within a Y chromosome-like region called the M locus. Here, we show that an M-locus gene, Nix, functions as an M factor in A. aegypti. Nix exhibits persistent M linkage and early embryonic expression, two characteristics required of an M factor. Nix knockout with clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 resulted in largely feminized genetic males and the production of female isoforms of two key regulators of sexual differentiation: doublesex and fruitless. Ectopic expression of Nix resulted in genetic females with nearly complete male genitalia. Thus, Nix is both required and sufficient to initiate male development. This study provides a foundation for mosquito control strategies that convert female mosquitoes into harmless males.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, Andrew Brantley -- Basu, Sanjay -- Jiang, Xiaofang -- Qi, Yumin -- Timoshevskiy, Vladimir A -- Biedler, James K -- Sharakhova, Maria V -- Elahi, Rubayet -- Anderson, Michelle A E -- Chen, Xiao-Guang -- Sharakhov, Igor V -- Adelman, Zach N -- Tu, Zhijian -- AI113643/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1268-70. doi: 10.1126/science.aaa2850. Epub 2015 May 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. ; Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. Department of Entomology, Virginia Tech, Blacksburg, VA, USA. ; Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. ; Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. ; School of Public Health and Tropical Medicine, Southern Medical University, Guangdong, People's Republic of China. ; Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. Department of Entomology, Virginia Tech, Blacksburg, VA, USA. ; Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. Department of Entomology, Virginia Tech, Blacksburg, VA, USA. jaketu@vt.edu zachadel@vt.edu. ; Interdisciplinary PhD Program in Genetics, Bioinformatics, and Computational Biology, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA, USA. Department of Biochemistry, Virginia Tech, Blacksburg, VA, USA. Fralin Life Science Institute, Virginia Tech, Blacksburg, VA, USA. jaketu@vt.edu zachadel@vt.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25999371" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aedes/*genetics/*growth & development ; Animals ; Caspase 9 ; Clustered Regularly Interspaced Short Palindromic Repeats ; Female ; Gene Knockout Techniques ; *Genes, Insect ; *Genetic Loci ; Male ; Molecular Sequence Data ; Mosquito Control/methods ; Sex Determination Processes/*genetics
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  • 35
    Publikationsdatum: 2015-03-07
    Beschreibung: Human higher cognition is attributed to the evolutionary expansion and elaboration of the human cerebral cortex. However, the genetic mechanisms contributing to these developmental changes are poorly understood. We used comparative epigenetic profiling of human, rhesus macaque, and mouse corticogenesis to identify promoters and enhancers that have gained activity in humans. These gains are significantly enriched in modules of coexpressed genes in the cortex that function in neuronal proliferation, migration, and cortical-map organization. Gain-enriched modules also showed correlated gene expression patterns and similar transcription factor binding site enrichments in promoters and enhancers, suggesting that they are connected by common regulatory mechanisms. Our results reveal coordinated patterns of potential regulatory changes associated with conserved developmental processes during corticogenesis, providing insight into human cortical evolution.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4426903/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4426903/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reilly, Steven K -- Yin, Jun -- Ayoub, Albert E -- Emera, Deena -- Leng, Jing -- Cotney, Justin -- Sarro, Richard -- Rakic, Pasko -- Noonan, James P -- 099175/Z/12/Z/Wellcome Trust/United Kingdom -- DA023999/DA/NIDA NIH HHS/ -- F32 GM106628/GM/NIGMS NIH HHS/ -- GM094780/GM/NIGMS NIH HHS/ -- NS014841/NS/NINDS NIH HHS/ -- P30 CA016359/CA/NCI NIH HHS/ -- R01 DA023999/DA/NIDA NIH HHS/ -- R01 GM094780/GM/NIGMS NIH HHS/ -- T32 GM007223/GM/NIGMS NIH HHS/ -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1155-9. doi: 10.1126/science.1260943.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA. ; Kavli Institute for Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA. Department of Neurobiology, Yale School of Medicine, New Haven, CT 06510, USA. ; Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA. Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT 06511, USA. ; Department of Genetics, Yale School of Medicine, New Haven, CT 06510, USA. Kavli Institute for Neuroscience, Yale School of Medicine, New Haven, CT 06510, USA. Program in Computational Biology and Bioinformatics, Yale University, New Haven, CT 06511, USA. james.noonan@yale.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745175" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cerebral Cortex/*growth & development ; Enhancer Elements, Genetic/*genetics ; *Epigenesis, Genetic ; *Evolution, Molecular ; *Gene Expression Regulation, Developmental ; Humans ; Macaca mulatta ; Mice ; Organogenesis/*genetics ; Promoter Regions, Genetic/*genetics ; Rats
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  • 36
    Publikationsdatum: 2015-11-21
    Beschreibung: Lithium-ion batteries raise safety, environmental, and cost concerns, which mostly arise from their nonaqueous electrolytes. The use of aqueous alternatives is limited by their narrow electrochemical stability window (1.23 volts), which sets an intrinsic limit on the practical voltage and energy output. We report a highly concentrated aqueous electrolyte whose window was expanded to ~3.0 volts with the formation of an electrode-electrolyte interphase. A full lithium-ion battery of 2.3 volts using such an aqueous electrolyte was demonstrated to cycle up to 1000 times, with nearly 100% coulombic efficiency at both low (0.15 coulomb) and high (4.5 coulombs) discharge and charge rates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suo, Liumin -- Borodin, Oleg -- Gao, Tao -- Olguin, Marco -- Ho, Janet -- Fan, Xiulin -- Luo, Chao -- Wang, Chunsheng -- Xu, Kang -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):938-43. doi: 10.1126/science.aab1595.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, MD 20740, USA. ; Electrochemistry Branch, Sensor and Electron Devices Directorate, Power and Energy Division, U.S. Army Research Laboratory, Adelphi, MD 20783, USA. ; Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, MD 20740, USA. cswang@umd.edu conrad.k.xu.civ@mail.mil. ; Electrochemistry Branch, Sensor and Electron Devices Directorate, Power and Energy Division, U.S. Army Research Laboratory, Adelphi, MD 20783, USA. cswang@umd.edu conrad.k.xu.civ@mail.mil.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586759" target="_blank"〉PubMed〈/a〉
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  • 37
    Publikationsdatum: 2015-11-07
    Beschreibung: Selective oxidation of trivalent americium (Am) could facilitate its separation from lanthanides in nuclear waste streams. Here, we report the application of a high-surface-area, tin-doped indium oxide electrode surface-derivatized with a terpyridine ligand to the oxidation of Am(III) to Am(V) and Am(VI) in nitric acid. Potentials as low as 1.8 volts (V) versus the saturated calomel electrode were applied, 0.7 V lower than the 2.6 V potential for one-electron oxidation of Am(III) to Am(IV) in 1 molar acid. This simple electrochemical procedure provides a method to access the higher oxidation states of Am in noncomplexing media for the study of the associated coordination chemistry and, more important, for more efficient separation protocols.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dares, Christopher J -- Lapides, Alexander M -- Mincher, Bruce J -- Meyer, Thomas J -- New York, N.Y. -- Science. 2015 Nov 6;350(6261):652-5. doi: 10.1126/science.aac9217.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. ; Idaho National Laboratory, Aqueous Separations and Radiochemistry Department, Idaho Falls, ID, USA. ; Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. tjmeyer@unc.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26542564" target="_blank"〉PubMed〈/a〉
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  • 38
    Publikationsdatum: 2015-08-01
    Beschreibung: The structure and composition of cometary constituents, down to their microscopic scale, are critical witnesses of the processes and ingredients that drove the formation and evolution of planetary bodies toward their present diversity. On board Rosetta's lander Philae, the Comet Infrared and Visible Analyser (CIVA) experiment took a series of images to characterize the surface materials surrounding the lander on comet 67P/Churyumov-Gerasimenko. Images were collected twice: just after touchdown, and after Philae finally came to rest, where it acquired a full panorama. These images reveal a fractured surface with complex structure and a variety of grain scales and albedos, possibly constituting pristine cometary material.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bibring, J-P -- Langevin, Y -- Carter, J -- Eng, P -- Gondet, B -- Jorda, L -- Le Mouelic, S -- Mottola, S -- Pilorget, C -- Poulet, F -- Vincendon, M -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):aab0671. doi: 10.1126/science.aab0671.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut d'Astrophysique Spatiale (IAS), CNRS/Universite Paris Sud, Orsay, France. bibring@ias.u-psud.fr. ; Institut d'Astrophysique Spatiale (IAS), CNRS/Universite Paris Sud, Orsay, France. ; Laboratoire d'Astrophysique de Marseille (LAM), UMR7326,CNRS/INSU/Universite Aix-Marseille, France. ; Laboratoire Planetologie et Geodynamique, CNRS UMR6112 and Universite de Nantes, Nantes, France. ; Deutschen Zentrum fur Luft und Raumfahrt (DLR), Institute of Planetary Research, Berlin, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228154" target="_blank"〉PubMed〈/a〉
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  • 39
    Publikationsdatum: 2015-07-25
    Beschreibung: A cost-effective catalyst should have a high dispersion of the active atoms, together with a controllable surface structure for the optimization of activity, selectivity, or both. We fabricated nanocages by depositing a few atomic layers of platinum (Pt) as conformal shells on palladium (Pd) nanocrystals with well-defined facets and then etching away the Pd templates. Density functional theory calculations suggest that the etching is initiated via a mechanism that involves the formation of vacancies through the removal of Pd atoms incorporated into the outermost layer during the deposition of Pt. With the use of Pd nanoscale cubes and octahedra as templates, we obtained Pt cubic and octahedral nanocages enclosed by {100} and {111} facets, respectively, which exhibited distinctive catalytic activities toward oxygen reduction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Lei -- Roling, Luke T -- Wang, Xue -- Vara, Madeline -- Chi, Miaofang -- Liu, Jingyue -- Choi, Sang-Il -- Park, Jinho -- Herron, Jeffrey A -- Xie, Zhaoxiong -- Mavrikakis, Manos -- Xia, Younan -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):412-6. doi: 10.1126/science.aab0801.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA. State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and Department of Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China. ; Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA. ; School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA. ; Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA. ; Department of Physics, Arizona State University, Tempe, AZ 85287, USA. ; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA. ; State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and Department of Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China. ; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, USA. School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA. younan.xia@bme.gatech.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26206931" target="_blank"〉PubMed〈/a〉
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  • 40
    facet.materialart.
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-09-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hall, Stephen S -- New York, N.Y. -- Science. 2015 Sep 18;349(6254):1274-8. doi: 10.1126/science.349.6254.1274.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26383933" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/*drug effects ; Humans ; Hypoglycemic Agents/*pharmacology ; Liver/drug effects ; Metformin/*pharmacology ; Mitochondria/drug effects ; Neoplasms/epidemiology/mortality/prevention & control
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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-08-22
    Beschreibung: Paradigms of sustainable exploitation focus on population dynamics of prey and yields to humanity but ignore the behavior of humans as predators. We compared patterns of predation by contemporary hunters and fishers with those of other predators that compete over shared prey (terrestrial mammals and marine fishes). Our global survey (2125 estimates of annual finite exploitation rate) revealed that humans kill adult prey, the reproductive capital of populations, at much higher median rates than other predators (up to 14 times higher), with particularly intense exploitation of terrestrial carnivores and fishes. Given this competitive dominance, impacts on predators, and other unique predatory behavior, we suggest that humans function as an unsustainable "super predator," which-unless additionally constrained by managers-will continue to alter ecological and evolutionary processes globally.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Darimont, Chris T -- Fox, Caroline H -- Bryan, Heather M -- Reimchen, Thomas E -- New York, N.Y. -- Science. 2015 Aug 21;349(6250):858-60. doi: 10.1126/science.aac4249.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geography, University of Victoria, Post Office Box 1700, Station CSC, Victoria, British Columbia V8W 2Y2, Canada. Raincoast Conservation Foundation, Post Office Box 2429, Sidney, British Columbia V8L 3Y3, Canada. Hakai Institute, Post Office Box 309, Heriot Bay, British Columbia V0P 1H0, Canada. darimont@uvic.ca. ; Department of Geography, University of Victoria, Post Office Box 1700, Station CSC, Victoria, British Columbia V8W 2Y2, Canada. Raincoast Conservation Foundation, Post Office Box 2429, Sidney, British Columbia V8L 3Y3, Canada. ; Department of Geography, University of Victoria, Post Office Box 1700, Station CSC, Victoria, British Columbia V8W 2Y2, Canada. Raincoast Conservation Foundation, Post Office Box 2429, Sidney, British Columbia V8L 3Y3, Canada. Hakai Institute, Post Office Box 309, Heriot Bay, British Columbia V0P 1H0, Canada. ; Department of Biology, University of Victoria, Post Office Box 3060, Station CSC, Victoria, British Columbia V8W 2Y2, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26293961" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Evolution ; *Consumer Behavior ; Ecology ; Fishes ; Humans ; Mammals/psychology ; Population Dynamics ; *Predatory Behavior ; Reproduction
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  • 42
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-10-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merrigan, Kathleen -- Griffin, Timothy -- Wilde, Parke -- Robien, Kimberly -- Goldberg, Jeanne -- Dietz, William -- New York, N.Y. -- Science. 2015 Oct 9;350(6257):165-6. doi: 10.1126/science.aab2031. Epub 2015 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Trachtenberg School of Public Policy and Public Administration, the George Washington University, Washington, DC 20052, USA. kmerrigan@gwu.edu. ; Friedman School of Nutrition Science and Policy, Tufts University, Medford, MA 02155, USA. ; Milken Institute School of Public Health, the George Washington University, Washington, DC 20052, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26429883" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Diet/*standards ; Food Assistance ; Food Technology/*standards ; Humans ; *Nutrition Policy ; United States
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  • 43
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-11-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Tian -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):738-9. doi: 10.1126/science.aad6452.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 2970 Horsholm, Denmark. zhang@biosustain.dtu.dk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564832" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Carbon Dioxide/chemistry ; *Chemistry Techniques, Synthetic ; Chemistry, Bioinorganic ; Escherichia coli ; Methanosarcina ; *Photosynthesis ; *Solar Energy
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  • 44
    Publikationsdatum: 2015-08-01
    Beschreibung: The Philae lander provides a unique opportunity to investigate the internal structure of a comet nucleus, providing information about its formation and evolution in the early solar system. We present Comet Nucleus Sounding Experiment by Radiowave Transmission (CONSERT) measurements of the interior of Comet 67P/Churyumov-Gerasimenko. From the propagation time and form of the signals, the upper part of the "head" of 67P is fairly homogeneous on a spatial scale of tens of meters. CONSERT also reduced the size of the uncertainty of Philae's final landing site down to approximately 21 by 34 square meters. The average permittivity is about 1.27, suggesting that this region has a volumetric dust/ice ratio of 0.4 to 2.6 and a porosity of 75 to 85%. The dust component may be comparable to that of carbonaceous chondrites.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kofman, Wlodek -- Herique, Alain -- Barbin, Yves -- Barriot, Jean-Pierre -- Ciarletti, Valerie -- Clifford, Stephen -- Edenhofer, Peter -- Elachi, Charles -- Eyraud, Christelle -- Goutail, Jean-Pierre -- Heggy, Essam -- Jorda, Laurent -- Lasue, Jeremie -- Levasseur-Regourd, Anny-Chantal -- Nielsen, Erling -- Pasquero, Pierre -- Preusker, Frank -- Puget, Pascal -- Plettemeier, Dirk -- Rogez, Yves -- Sierks, Holger -- Statz, Christoph -- Svedhem, Hakan -- Williams, Iwan -- Zine, Sonia -- Van Zyl, Jakob -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):aab0639. doi: 10.1126/science.aab0639.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Grenoble Alpes, IPAG, F-38000 Grenoble, France (2) Centre National de la Recherche Scientifique (CNRS), Institut de Planetologie et d'Astrophysique de Grenoble (IPAG), F-38000 Grenoble, France. ; MIO, UM 110, CNRS-Institut National des Sciences de l'Univers (INSU), Universite de Toulon, Aix-Marseille Universite, IRD 83957 La Garde, France. ; Geodesy Observatory of Tahiti BP6570, 98702 Faa'a, Tahiti. ; Universite de Versailles Saint-Quentin-en-Yvelines (UVSQ) (UPSay); Universite Pierre et Marie Curie (UPMC) (Sorbonne Univ.); CNRS/INSU; Laboratoire Atmospheres, Milieux, Observations Spatiales (LATMOS)-Institut Pierre-Simon Laplace (IPSL), 11 Boulevard d'Alembert, 78280 Guyancourt, France. ; Lunar and Planetary Institute, 3600 Bay Area Boulevard, Houston, TX 77058, USA. ; Ruhr-University of Bochum, Faculty of Electrical Engineering and Information Technology, 44780 Bochum, Germany. ; Jet Propulsion Laboratory, 4800 Oak Grove Drive, MS 300-243E, Pasadena, CA 91109, USA. ; Aix-Marseille Universite, CNRS, Centrale Marseille, Institut Fresnel UMR 7249, 13013 Marseille, France. ; Jet Propulsion Laboratory, 4800 Oak Grove Drive, MS 300-243E, Pasadena, CA 91109, USA. University of Southern California, Ming Hsieh Department of Electrical Engineering, Viterbi School of Engineering, Los Angeles, CA 90089, USA. ; Laboratoire d'Astrophysique de Marseille Pole de l'Etoile Site de Chateau-Gombert 38, Rue Frederic Joliot-Curie 13388 Marseille, France. ; Universite de Toulouse; UPS-OMP; IRAP; (2) CNRS; IRAP; 9 Avenue Colonel Roche, BP 44 346, F-31028 Toulouse Cedex 4, Toulouse, France. ; UPMC (Sorbonne Univ.); UVSQ (UPSay); CNRS/INSU; LATMOS-IPSL, BC 102, 4 place Jussieu, 75005 Paris, France. ; Max-Planck-Institut fur Sonnensystemforschung (MPS), Justus-von-Liebig-Weg 3, 37077 Gottingen, Germany. ; German Aerospace Center (DLR) Rutherfordstrasse 2 12489 Berlin, Germany. ; Technische Universitaet Dresden Helmholtzstrasse 10 D-01069 Dresden, Germany. ; European Space Agency (ESA)/European Space Research and Technology Centre (ESTEC) Noordwijk, Netherlands. ; Queen Mary University of London, Mile End Road, London E1 4NS, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228153" target="_blank"〉PubMed〈/a〉
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  • 45
    Publikationsdatum: 2015-08-01
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bibring, J-P -- Taylor, M G G T -- Alexander, C -- Auster, U -- Biele, J -- Finzi, A Ercoli -- Goesmann, F -- Klingelhoefer, G -- Kofman, W -- Mottola, S -- Seidensticker, K J -- Spohn, T -- Wright, I -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):493. doi: 10.1126/science.aac5116. Epub 2015 Jul 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut d'Astrophysique Spatiale, Orsay, France. ; European Space Research and Technology Centre, Noordwijk, Netherlands. ; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA, deceased. ; Institute for Geophysics and Extraterrestrial Physics, TU-Braunschweig, Germany. ; DLR RB-MUSC, Cologne, Germany. ; Politecnico di Milano, Milan, Italy. ; Max Planck Institute for Solar System Research, Gottingen, Germany. ; University of Mainz, Mainz, Germany. ; Institut de Planetologie et d'Astrophysique de Grenoble, Grenoble, France. ; DLR, Institute of Planetary Research, Berlin, Germany. ; Open University, Milton Keynes, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228139" target="_blank"〉PubMed〈/a〉
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  • 46
    Publikationsdatum: 2015-01-03
    Beschreibung: Adipocytes have been suggested to be immunologically active, but their role in host defense is unclear. We observed rapid proliferation of preadipocytes and expansion of the dermal fat layer after infection of the skin by Staphylococcus aureus. Impaired adipogenesis resulted in increased infection as seen in Zfp423(nur12) mice or in mice given inhibitors of peroxisome proliferator-activated receptor gamma. This host defense function was mediated through the production of cathelicidin antimicrobial peptide from adipocytes because cathelicidin expression was decreased by inhibition of adipogenesis, and adipocytes from Camp(-/-) mice lost the capacity to inhibit bacterial growth. Together, these findings show that the production of an antimicrobial peptide by adipocytes is an important element for protection against S. aureus infection of the skin.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4318537/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4318537/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Ling-juan -- Guerrero-Juarez, Christian F -- Hata, Tissa -- Bapat, Sagar P -- Ramos, Raul -- Plikus, Maksim V -- Gallo, Richard L -- AR052728/AR/NIAMS NIH HHS/ -- DK096828/DK/NIDDK NIH HHS/ -- GM055246/GM/NIGMS NIH HHS/ -- HHSN272201000020C/PHS HHS/ -- P01 HL107150/HL/NHLBI NIH HHS/ -- R01 AI052453/AI/NIAID NIH HHS/ -- R01 AI083358/AI/NIAID NIH HHS/ -- R01 AI116576/AI/NIAID NIH HHS/ -- R01 AR064781/AR/NIAMS NIH HHS/ -- R01 AR067273/AR/NIAMS NIH HHS/ -- R01-AR067273/AR/NIAMS NIH HHS/ -- R01AI052453/AI/NIAID NIH HHS/ -- R25 GM055246/GM/NIGMS NIH HHS/ -- T32 GM007198/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jan 2;347(6217):67-71. doi: 10.1126/science.1260972.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Dermatology, University of California, San Diego (UCSD), La Jolla, CA 92093, USA. ; Department of Developmental and Cell Biology, Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, Irvine, CA 92697, USA. Center for Complex Biological Systems, University of California, Irvine, Irvine, CA 92697, USA. ; Nomis Foundation Laboratories for Immunobiology and Microbial Pathogenesis, The Salk Institute for Biological Studies, San Diego, La Jolla, CA 92037, USA. ; Division of Dermatology, University of California, San Diego (UCSD), La Jolla, CA 92093, USA. rgallo@ucsd.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25554785" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): 3T3-L1 Cells ; Adipocytes/*immunology/microbiology ; Adipogenesis/immunology ; Animals ; Antimicrobial Cationic Peptides/immunology ; Cathelicidins/genetics/*immunology ; DNA-Binding Proteins/genetics/immunology ; Dermis/*immunology/microbiology ; Host-Pathogen Interactions/immunology ; Mice ; Mice, Mutant Strains ; Staphylococcal Skin Infections/*immunology ; Staphylococcus aureus/*immunology ; Transcription Factors/genetics/immunology
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  • 47
    Publikationsdatum: 2015-10-03
    Beschreibung: Bolide impact and flood volcanism compete as leading candidates for the cause of terminal-Cretaceous mass extinctions. High-precision (40)Ar/(39)Ar data indicate that these two mechanisms may be genetically related, and neither can be considered in isolation. The existing Deccan Traps magmatic system underwent a state shift approximately coincident with the Chicxulub impact and the terminal-Cretaceous mass extinctions, after which ~70% of the Traps' total volume was extruded in more massive and more episodic eruptions. Initiation of this new regime occurred within ~50,000 years of the impact, which is consistent with transient effects of impact-induced seismic energy. Postextinction recovery of marine ecosystems was probably suppressed until after the accelerated volcanism waned.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Renne, Paul R -- Sprain, Courtney J -- Richards, Mark A -- Self, Stephen -- Vanderkluysen, Loyc -- Pande, Kanchan -- New York, N.Y. -- Science. 2015 Oct 2;350(6256):76-8. doi: 10.1126/science.aac7549.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA. Department of Earth and Planetary Science, University of California-Berkeley, Berkeley, CA 94720, USA. prenne@bgc.org. ; Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA. Department of Earth and Planetary Science, University of California-Berkeley, Berkeley, CA 94720, USA. ; Department of Earth and Planetary Science, University of California-Berkeley, Berkeley, CA 94720, USA. ; Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA 19104, USA. ; Department of Earth Sciences, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26430116" target="_blank"〉PubMed〈/a〉
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  • 48
    Publikationsdatum: 2015-07-15
    Beschreibung: Insulin-induced gene 1 (Insig-1) and Insig-2 are endoplasmic reticulum membrane-embedded sterol sensors that regulate the cellular accumulation of sterols. Despite their physiological importance, the structural information on Insigs remains limited. Here we report the high-resolution structures of MvINS, an Insig homolog from Mycobacterium vanbaalenii. MvINS exists as a homotrimer. Each protomer comprises six transmembrane segments (TMs), with TM3 and TM4 contributing to homotrimerization. The six TMs enclose a V-shaped cavity that can accommodate a diacylglycerol molecule. A homology-based structural model of human Insig-2, together with biochemical characterizations, suggest that the central cavity of Insig-2 accommodates 25-hydroxycholesterol, whereas TM3 and TM4 engage in Scap binding. These analyses provide an important framework for further functional and mechanistic understanding of Insig proteins and the sterol regulatory element-binding protein pathway.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4704858/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4704858/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ren, Ruobing -- Zhou, Xinhui -- He, Yuan -- Ke, Meng -- Wu, Jianping -- Liu, Xiaohui -- Yan, Chuangye -- Wu, Yixuan -- Gong, Xin -- Lei, Xiaoguang -- Yan, S Frank -- Radhakrishnan, Arun -- Yan, Nieng -- HL-20948/HL/NHLBI NIH HHS/ -- P01 HL020948/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jul 10;349(6244):187-91. doi: 10.1126/science.aab1091.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Membrane Biology, Tsinghua University, Beijing 100084, China. Center for Structural Biology, School of Life Sciences, School of Medicine, Tsinghua University, Beijing 100084, China. Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China. ; National Institute of Biological Sciences, Beijing 102206, China. ; Molecular Design and Chemical Biology, Therapeutic Modalities, Roche Pharma Research and Early Development, Roche Innovation Center Shanghai, Shanghai 201203, China. ; Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas, TX 75390-9046, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160948" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Proteins/*chemistry ; Crystallography, X-Ray ; Diglycerides/chemistry ; Humans ; Hydroxycholesterols/chemistry/*metabolism ; Intracellular Signaling Peptides and Proteins/*chemistry ; Membrane Proteins/*chemistry ; Mycobacterium/*metabolism ; Protein Multimerization ; Protein Structure, Secondary ; Sterol Regulatory Element Binding Proteins/*chemistry
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  • 49
    Publikationsdatum: 2015-04-11
    Beschreibung: Protein phosphorylation regulates virtually all biological processes. Although protein kinases are popular drug targets, targeting protein phosphatases remains a challenge. Here, we describe Sephin1 (selective inhibitor of a holophosphatase), a small molecule that safely and selectively inhibited a regulatory subunit of protein phosphatase 1 in vivo. Sephin1 selectively bound and inhibited the stress-induced PPP1R15A, but not the related and constitutive PPP1R15B, to prolong the benefit of an adaptive phospho-signaling pathway, protecting cells from otherwise lethal protein misfolding stress. In vivo, Sephin1 safely prevented the motor, morphological, and molecular defects of two otherwise unrelated protein-misfolding diseases in mice, Charcot-Marie-Tooth 1B, and amyotrophic lateral sclerosis. Thus, regulatory subunits of phosphatases are drug targets, a property exploited here to safely prevent two protein misfolding diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4490275/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4490275/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Das, Indrajit -- Krzyzosiak, Agnieszka -- Schneider, Kim -- Wrabetz, Lawrence -- D'Antonio, Maurizio -- Barry, Nicholas -- Sigurdardottir, Anna -- Bertolotti, Anne -- 309516/European Research Council/International -- MC_U105185860/Medical Research Council/United Kingdom -- R01-NS55256/NS/NINDS NIH HHS/ -- Medical Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Apr 10;348(6231):239-42. doi: 10.1126/science.aaa4484.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK. ; Division of Genetics and Cell Biology, San Raffaele Scientific Institute, 20132 Milan, Italy. ; Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge, CB2 0QH, UK. aberto@mrc-lmb.cam.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25859045" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amyotrophic Lateral Sclerosis/drug therapy/metabolism/pathology ; Animals ; Cells, Cultured ; Charcot-Marie-Tooth Disease/drug therapy/metabolism/pathology ; Disease Models, Animal ; Endoplasmic Reticulum Stress/drug effects ; Enzyme Inhibitors/metabolism/pharmacokinetics/*pharmacology/toxicity ; Guanabenz/*analogs & derivatives/chemical ; synthesis/metabolism/pharmacology/toxicity ; HeLa Cells ; Humans ; Mice ; Mice, Transgenic ; Molecular Targeted Therapy ; Phosphorylation ; Protein Folding ; Protein Phosphatase 1/*antagonists & inhibitors ; Proteostasis Deficiencies/*drug therapy/*prevention & control ; Signal Transduction
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  • 50
    Publikationsdatum: 2015-11-14
    Beschreibung: The hydrogen-isotope [deuterium/hydrogen (D/H)] ratio of Earth can be used to constrain the origin of its water. However, the most accessible reservoir, Earth's oceans, may no longer represent the original (primordial) D/H ratio, owing to changes caused by water cycling between the surface and the interior. Thus, a reservoir completely isolated from surface processes is required to define Earth's original D/H signature. Here we present data for Baffin Island and Icelandic lavas, which suggest that the deep mantle has a low D/H ratio (deltaD more negative than -218 per mil). Such strongly negative values indicate the existence of a component within Earth's interior that inherited its D/H ratio directly from the protosolar nebula.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hallis, Lydia J -- Huss, Gary R -- Nagashima, Kazuhide -- Taylor, G Jeffrey -- Halldorsson, Saemundur A -- Hilton, David R -- Mottl, Michael J -- Meech, Karen J -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):795-7. doi: 10.1126/science.aac4834.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉NASA Astrobiology Institute, Institute for Astronomy, University of Hawai'i, 2680 Woodlawn Drive, Honolulu, HI 96822-1839, USA. Hawai'i Institute of Geophysics and Planetology, Pacific Ocean Science and Technology (POST) Building, University of Hawai'i, 1680 East-West Road, Honolulu, HI 96822, USA. lydia.hallis@glasgow.ac.uk. ; NASA Astrobiology Institute, Institute for Astronomy, University of Hawai'i, 2680 Woodlawn Drive, Honolulu, HI 96822-1839, USA. Hawai'i Institute of Geophysics and Planetology, Pacific Ocean Science and Technology (POST) Building, University of Hawai'i, 1680 East-West Road, Honolulu, HI 96822, USA. ; Hawai'i Institute of Geophysics and Planetology, Pacific Ocean Science and Technology (POST) Building, University of Hawai'i, 1680 East-West Road, Honolulu, HI 96822, USA. ; Scripps Institution of Oceanography, University California San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0244, USA. ; Department of Oceanography, University of Hawai'i, Marine Sciences Building 304, 1000 Pope Road, Honolulu, HI 96822, USA. ; NASA Astrobiology Institute, Institute for Astronomy, University of Hawai'i, 2680 Woodlawn Drive, Honolulu, HI 96822-1839, USA. Institute for Astronomy, University of Hawai'i, 2680 Woodlawn Drive, Honolulu, HI 96822, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564850" target="_blank"〉PubMed〈/a〉
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  • 51
    Publikationsdatum: 2015-07-04
    Beschreibung: A topological insulator, as originally proposed for electrons governed by quantum mechanics, is characterized by a dichotomy between the interior and the edge of a finite system: The bulk has an energy gap, and the edges sustain excitations traversing this gap. However, it has remained an open question whether the same physics can be observed for systems obeying Newton's equations of motion. We conducted experiments to characterize the collective behavior of mechanical oscillators exhibiting the phenomenology of the quantum spin Hall effect. The phononic edge modes are shown to be helical, and we demonstrate their topological protection via the stability of the edge states against imperfections. Our results may enable the design of topological acoustic metamaterials that can capitalize on the stability of the surface phonons as reliable wave guides.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Susstrunk, Roman -- Huber, Sebastian D -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):47-50. doi: 10.1126/science.aab0239.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Theoretical Physics, ETH Zurich, 8093 Zurich, Switzerland. ; Institute for Theoretical Physics, ETH Zurich, 8093 Zurich, Switzerland. sebastian.huber@phys.ethz.ch.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138969" target="_blank"〉PubMed〈/a〉
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  • 52
    Publikationsdatum: 2015-07-04
    Beschreibung: Landscape evolution theory suggests that climate sets the scale of landscape dissection by modulating the competition between diffusive processes that sculpt convex hillslopes and advective processes that carve concave valleys. However, the link between the relative dominance of hillslope and valley transport processes and landscape scale is difficult to demonstrate in natural landscapes due to the episodic nature of erosion. Here, we report results from laboratory experiments combining diffusive and advective processes in an eroding landscape. We demonstrate that rainsplash-driven disturbances in our experiments are a robust proxy for hillslope transport, such that increasing hillslope transport efficiency decreases drainage density. Our experimental results demonstrate how the coupling of climate-driven hillslope- and valley-forming processes, such as bioturbation and runoff, dictates the scale of eroding landscapes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sweeney, K E -- Roering, J J -- Ellis, C -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):51-3. doi: 10.1126/science.aab0017.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403-1272, USA. kristin.e.sweeney@gmail.com. ; Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403-1272, USA. ; St. Anthony Falls Laboratory and National Center for Earth-Surface Dynamics, College of Science and Engineering, University of Minnesota, 2 Third Avenue SE, Minneapolis, MN 55414-2125, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138970" target="_blank"〉PubMed〈/a〉
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  • 53
    Publikationsdatum: 2015-08-01
    Beschreibung: Jumping on water is a unique locomotion mode found in semi-aquatic arthropods, such as water striders. To reproduce this feat in a surface tension-dominant jumping robot, we elucidated the hydrodynamics involved and applied them to develop a bio-inspired impulsive mechanism that maximizes momentum transfer to water. We found that water striders rotate the curved tips of their legs inward at a relatively low descending velocity with a force just below that required to break the water surface (144 millinewtons/meter). We built a 68-milligram at-scale jumping robotic insect and verified that it jumps on water with maximum momentum transfer. The results suggest an understanding of the hydrodynamic phenomena used by semi-aquatic arthropods during water jumping and prescribe a method for reproducing these capabilities in artificial systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koh, Je-Sung -- Yang, Eunjin -- Jung, Gwang-Pil -- Jung, Sun-Pill -- Son, Jae Hak -- Lee, Sang-Im -- Jablonski, Piotr G -- Wood, Robert J -- Kim, Ho-Young -- Cho, Kyu-Jin -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):517-21. doi: 10.1126/science.aab1637. Epub 2015 Jul 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biorobotics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea. School of Engineering and Applied Sciences and Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA 02138, USA. hyk@snu.ac.kr kjcho@snu.ac.kr. ; Micro Fluid Mechanics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea. hyk@snu.ac.kr kjcho@snu.ac.kr. ; Biorobotics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea. ; Laboratory of Behavioral Ecology and Evolution, School of Biological Sciences, Seoul National University, Seoul 151-742, Korea. ; Laboratory of Behavioral Ecology and Evolution, School of Biological Sciences, Seoul National University, Seoul 151-742, Korea. Institute of Advanced Machines and Design, Seoul National University, Seoul 151-744, Korea. ; Laboratory of Behavioral Ecology and Evolution, School of Biological Sciences, Seoul National University, Seoul 151-742, Korea. Museum and Institute of Zoology, Polish Academy of Sciences, Warsaw 00-679, Poland. ; School of Engineering and Applied Sciences and Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA 02138, USA. ; Micro Fluid Mechanics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea. Institute of Advanced Machines and Design, Seoul National University, Seoul 151-744, Korea. ; Biorobotics Laboratory, Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-744, Korea. Institute of Advanced Machines and Design, Seoul National University, Seoul 151-744, Korea.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228144" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomechanical Phenomena ; Extremities/physiology ; Heteroptera/*physiology ; Hydrodynamics ; *Locomotion ; Robotics ; Rotation ; Surface Tension ; *Water
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  • 54
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-07-04
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kohane, Isaac S -- New York, N.Y. -- Science. 2015 Jul 3;349(6243):37-8. doi: 10.1126/science.aab1328. Epub 2015 Jul 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biomedical Informatics, Harvard Medical School, Boston, MA 02115, USA. isaac_kohane@harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138968" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Evidence-Based Medicine ; Genomics/trends ; *Health Policy ; Humans ; Medical Record Linkage ; Reproducibility of Results ; United States
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  • 55
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-01-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reynolds, Lawrence -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):383. doi: 10.1126/science.347.6220.383-b.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Animal Sciences, North Dakota State University, Fargo, ND 58108, USA. larry.reynolds@ndsu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25613883" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Biomedical Research ; *Career Choice ; Ferns/*genetics
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  • 56
    Publikationsdatum: 2015-11-14
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dasgupta, P -- Duraiappah, A -- Managi, S -- Barbier, E -- Collins, R -- Fraumeni, B -- Gundimeda, H -- Liu, G -- Mumford, K J -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):748. doi: 10.1126/science.350.6262.748.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Professor Emeritus, Department of Economics, University of Cambridge, Cambridge, CB3 9DD, UK. pd10000@cam.ac.uk. ; Mahatma Gandhi Institute of Education for Peace and Sustainable Development, New Delhi, 110001, India. ; Departments of Urban and Environmental Engineering, School of Engineering, Kyushu University, Nishi-ku, Fukuoka, 819-0395, Japan. ; College of Business Economics and Finance Department, University of Wyoming, East Laramie, WY 82071, USA. ; MIT Engineering Systems Division, Cambridge, MA 02142, USA. ; Central University for Finance and Economics, Hunan University, Changsha, Hunan Province, 410006, China. ; Department of Humanities and Social Sciences, Indian Institute of Technology Bombay, Powai, Mumbai, 400 076, India. ; Statistics Norway, N-0033, Oslo, Norway. ; Department of Economics, Purdue University, West Lafayette, IN 47907, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564839" target="_blank"〉PubMed〈/a〉
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  • 57
    Publikationsdatum: 2015-05-02
    Beschreibung: Werner syndrome (WS) is a premature aging disorder caused by WRN protein deficiency. Here, we report on the generation of a human WS model in human embryonic stem cells (ESCs). Differentiation of WRN-null ESCs to mesenchymal stem cells (MSCs) recapitulates features of premature cellular aging, a global loss of H3K9me3, and changes in heterochromatin architecture. We show that WRN associates with heterochromatin proteins SUV39H1 and HP1alpha and nuclear lamina-heterochromatin anchoring protein LAP2beta. Targeted knock-in of catalytically inactive SUV39H1 in wild-type MSCs recapitulates accelerated cellular senescence, resembling WRN-deficient MSCs. Moreover, decrease in WRN and heterochromatin marks are detected in MSCs from older individuals. Our observations uncover a role for WRN in maintaining heterochromatin stability and highlight heterochromatin disorganization as a potential determinant of human aging.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4494668/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4494668/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Weiqi -- Li, Jingyi -- Suzuki, Keiichiro -- Qu, Jing -- Wang, Ping -- Zhou, Junzhi -- Liu, Xiaomeng -- Ren, Ruotong -- Xu, Xiuling -- Ocampo, Alejandro -- Yuan, Tingting -- Yang, Jiping -- Li, Ying -- Shi, Liang -- Guan, Dee -- Pan, Huize -- Duan, Shunlei -- Ding, Zhichao -- Li, Mo -- Yi, Fei -- Bai, Ruijun -- Wang, Yayu -- Chen, Chang -- Yang, Fuquan -- Li, Xiaoyu -- Wang, Zimei -- Aizawa, Emi -- Goebl, April -- Soligalla, Rupa Devi -- Reddy, Pradeep -- Esteban, Concepcion Rodriguez -- Tang, Fuchou -- Liu, Guang-Hui -- Belmonte, Juan Carlos Izpisua -- F32 AG047770/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 5;348(6239):1160-3. doi: 10.1126/science.aaa1356. Epub 2015 Apr 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. ; Biodynamic Optical Imaging Center, College of Life Sciences, Peking University, Beijing 100871, China. ; Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. ; State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China. ; Diagnosis and Treatment Center for Oral Disease, the 306th Hospital of the PLA, Beijing, China. ; Department of Molecular and Cellular Physiology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; College of Life Sciences, Peking University, Beijing 100871, China. ; The Center for Anti-aging and Regenerative Medicine, Shenzhen University, Shenzhen 518060, China. ; Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. Universidad Catolica San Antonio de Murcia, Campus de los Jeronimos s/n, 30107 Guadalupe, Murcia, Spain. ; Biodynamic Optical Imaging Center, College of Life Sciences, Peking University, Beijing 100871, China. Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, Beijing 100871, China. Center for Molecular and Translational Medicine (CMTM), Beijing 100101, China. Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China. ghliu@ibp.ac.cn tangfuchou@pku.edu.cn belmonte@salk.edu. ; National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. The Center for Anti-aging and Regenerative Medicine, Shenzhen University, Shenzhen 518060, China. Center for Molecular and Translational Medicine (CMTM), Beijing 100101, China. Beijing Institute for Brain Disorders, Beijing 100069, China. ghliu@ibp.ac.cn tangfuchou@pku.edu.cn belmonte@salk.edu. ; Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, CA 92037, USA. ghliu@ibp.ac.cn tangfuchou@pku.edu.cn belmonte@salk.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931448" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/genetics/*metabolism ; Animals ; *Cell Aging ; Cell Differentiation ; Centromere/metabolism ; Chromosomal Proteins, Non-Histone/metabolism ; DNA-Binding Proteins/metabolism ; Epigenesis, Genetic ; Exodeoxyribonucleases/genetics/*metabolism ; Gene Knockout Techniques ; HEK293 Cells ; Heterochromatin/chemistry/*metabolism ; Humans ; Membrane Proteins/metabolism ; Mesenchymal Stromal Cells/*metabolism ; Methyltransferases/genetics/metabolism ; Mice ; Models, Biological ; RecQ Helicases/genetics/*metabolism ; Repressor Proteins/genetics/metabolism ; Werner Syndrome/genetics/*metabolism
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-12-19
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Dec 18;350(6267):1454. doi: 10.1126/science.350.6267.1454.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26680170" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Contract Services/*economics ; Ecology/*economics ; *Ecosystem ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 59
    Publikationsdatum: 2015-06-27
    Beschreibung: Bone morphogenetic proteins (BMPs) act in dose-dependent fashion to regulate cell fate choices in a myriad of developmental contexts. In early vertebrate and invertebrate embryos, BMPs and their antagonists establish epidermal versus central nervous system domains. In this highly conserved system, BMP antagonists mediate the neural-inductive activities proposed by Hans Spemann and Hilde Mangold nearly a century ago. BMPs distributed in gradients subsequently function as morphogens to subdivide the three germ layers into distinct territories and act to organize body axes, regulate growth, maintain stem cell niches, or signal inductively across germ layers. In this Review, we summarize the variety of mechanisms that contribute to generating reliable developmental responses to BMP gradients and other morphogen systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bier, Ethan -- De Robertis, Edward M -- NS29870/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):aaa5838. doi: 10.1126/science.aaa5838.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92095-0349, USA. ebier@ucsd.edu ederobertis@mednet.ucla.edu. ; Howard Hughes Medical Institute, University of California, Los Angeles, Los Angeles, CA 90095-1662, USA. Department of Biological Chemistry, University of California, Los Angeles, Los Angeles, CA 90095-1662, USA. ebier@ucsd.edu ederobertis@mednet.ucla.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26113727" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Body Patterning ; Bone Morphogenetic Proteins/*metabolism ; Drosophila melanogaster/embryology ; Ectoderm/embryology ; Epidermis/embryology ; Feedback, Physiological ; Neural Tube/embryology ; Xenopus/embryology
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-05-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Halpern, Michael -- Mann, Michael -- New York, N.Y. -- Science. 2015 May 1;348(6234):479. doi: 10.1126/science.aac4245.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Michael Halpern is the manager of strategy and innovation at the Center for Science and Democracy, Union of Concerned Scientists, Cambridge, MA. mhalpern@ucsusa.org. ; Michael Mann is Distinguished Professor of Meteorology (with joint appointments in the Department of Geosciences and Earth and Environmental Systems Institute) at the Pennsylvania State University, State College, PA. mann@psu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25931527" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Science/*ethics ; *Social Responsibility ; *Trust ; *Truth Disclosure
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-11-14
    Beschreibung: Climate change impacts on vertebrates have consequences for marine ecosystem structures and services. We review marine fish, mammal, turtle, and seabird responses to climate change and discuss their potential for adaptation. Direct and indirect responses are demonstrated from every ocean. Because of variation in research foci, observed responses differ among taxonomic groups (redistributions for fish, phenology for seabirds). Mechanisms of change are (i) direct physiological responses and (ii) climate-mediated predator-prey interactions. Regional-scale variation in climate-demographic functions makes range-wide population dynamics challenging to predict. The nexus of metabolism relative to ecosystem productivity and food webs appears key to predicting future effects on marine vertebrates. Integration of climate, oceanographic, ecosystem, and population models that incorporate evolutionary processes is needed to prioritize the climate-related conservation needs for these species.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sydeman, William J -- Poloczanska, Elvira -- Reed, Thomas E -- Thompson, Sarah Ann -- New York, N.Y. -- Science. 2015 Nov 13;350(6262):772-7. doi: 10.1126/science.aac9874.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Farallon Institute for Advanced Ecosystem Research, Petaluma, CA 94952, USA. Bodega Marine Laboratory/University of California Davis, Bodega Bay, CA 94923, USA. wsydeman@faralloninstitute.org. ; Commonwealth Scientific and Industrial Research Organisation, Ecosciences Precinct, Brisbane QLD 4102, Australia. Global Change Institute, University of Queensland, St Lucia, Brisbane QLD 4072, Australia. ; School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland. ; Farallon Institute for Advanced Ecosystem Research, Petaluma, CA 94952, USA. Climate Impacts Group, University of Washington, Seattle, WA 98195, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26564847" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Aquatic Organisms ; Birds/*classification ; *Climate Change ; *Endangered Species ; Extinction, Biological ; Fishes/*classification ; Mammals/*classification ; Phylogeny ; Population Dynamics ; Seawater ; Turtles/*classification
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-02-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dasheiff, Richard -- New York, N.Y. -- Science. 2015 Feb 20;347(6224):918. doi: 10.1126/science.347.6224.918.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Richard Dasheiff is a neurologist and scientist who lives with his wife and two children in Dallas, Texas. For more on life and careers, visit www.sciencecareers.org. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700522" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomy/education ; *Career Choice ; Neurology/*education ; Vietnam Conflict
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  • 63
    Publikationsdatum: 2015-08-01
    Beschreibung: The Philae lander, part of the Rosetta mission to investigate comet 67P/Churyumov-Gerasimenko, was delivered to the cometary surface in November 2014. Here we report the precise circumstances of the multiple landings of Philae, including the bouncing trajectory and rebound parameters, based on engineering data in conjunction with operational instrument data. These data also provide information on the mechanical properties (strength and layering) of the comet surface. The first touchdown site, Agilkia, appears to have a granular soft surface (with a compressive strength of 1 kilopascal) at least ~20 cm thick, possibly on top of a more rigid layer. The final landing site, Abydos, has a hard surface.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biele, Jens -- Ulamec, Stephan -- Maibaum, Michael -- Roll, Reinhard -- Witte, Lars -- Jurado, Eric -- Munoz, Pablo -- Arnold, Walter -- Auster, Hans-Ulrich -- Casas, Carlos -- Faber, Claudia -- Fantinati, Cinzia -- Finke, Felix -- Fischer, Hans-Herbert -- Geurts, Koen -- Guttler, Carsten -- Heinisch, Philip -- Herique, Alain -- Hviid, Stubbe -- Kargl, Gunter -- Knapmeyer, Martin -- Knollenberg, Jorg -- Kofman, Wlodek -- Komle, Norbert -- Kuhrt, Ekkehard -- Lommatsch, Valentina -- Mottola, Stefano -- Pardo de Santayana, Ramon -- Remetean, Emile -- Scholten, Frank -- Seidensticker, Klaus J -- Sierks, Holger -- Spohn, Tilman -- New York, N.Y. -- Science. 2015 Jul 31;349(6247):aaa9816. doi: 10.1126/science.aaa9816.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Deutsches Zentrum fur Luft- und Raumfahrt (DLR)/Raumflugbetrieb und Astronautentraining, Microgravity User Support Center (MUSC), Linder Hohe 1, 51147 Cologne, Germany. ; Max-Planck-Institut fur Sonnensystemforschung (MPS), Justus-von-Liebig-Weg 3, 37077 Gottingen, Germany. ; DLR/Institut fur Raumfahrtsysteme, Robert Hooke-Strasse 7, 28359 Bremen, Germany. ; Centre National d'Etudes Spatiales, 18 Avenue Edouard Belin, 31400 Toulouse, France. ; European Space Agency/European Space Operations Centre (ESA/ESOC), Robert-Bosch-Strasse 5, 64293 Darmstadt, Germany. Grupo Mecanica de Vuelo at ESA/ESOC - GMV Robert-Bosch-Strasse 5, 64293 Darmstadt, Germany. ; 1. Physikalisches Institut, Georg August Universitat, 37077 Gottingen, Germany; permanent address: Department of Materials Science, Saarland University, 66123 Saarbrucken, Germany. ; Institut fur Geophysik und Extraterrestrische Physik, Technische Universitat Braunschweig Mendelssohnstrasse 3, 38106 Braunschweig, Germany. ; DLR/Institut fur Planetenforschung Rutherfordstrasse 2, 12489 Berlin, Germany. ; Universite Grenoble Alpes and CNRS, Institut de Planetologie et d'Astrophysique de Grenoble, F-38000 Grenoble, France. ; Institut fur Weltraumforschung (IWF) Graz, Austria Austrian Academy of Sciences, Space Research Institute, Schmiedlstrasse 6, 8042 Graz, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26228158" target="_blank"〉PubMed〈/a〉
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  • 64
    Publikationsdatum: 2015-02-01
    Beschreibung: Thermally induced electrical currents, known as Johnson noise, cause fluctuating electric and magnetic fields in proximity to a conductor. These fluctuations are intrinsically related to the conductivity of the metal. We use single-spin qubits associated with nitrogen-vacancy centers in diamond to probe Johnson noise in the vicinity of conductive silver films. Measurements of polycrystalline silver films over a range of distances (20 to 200 nanometers) and temperatures (10 to 300 kelvin) are consistent with the classically expected behavior of the magnetic fluctuations. However, we find that Johnson noise is markedly suppressed next to single-crystal films, indicative of a substantial deviation from Ohm's law at length scales below the electron mean free path. Our results are consistent with a generalized model that accounts for the ballistic motion of electrons in the metal, indicating that under the appropriate conditions, nearby electrodes may be used for controlling nanoscale optoelectronic, atomic, and solid-state quantum systems.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolkowitz, S -- Safira, A -- High, A A -- Devlin, R C -- Choi, S -- Unterreithmeier, Q P -- Patterson, D -- Zibrov, A S -- Manucharyan, V E -- Park, H -- Lukin, M D -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1129-32. doi: 10.1126/science.aaa4298. Epub 2015 Jan 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, Harvard University, Cambridge, MA 02138, USA. ; Department of Physics, Harvard University, Cambridge, MA 02138, USA. Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA. ; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA. ; Department of Physics, University of Maryland, College Park, MD 20742, USA. ; Department of Physics, Harvard University, Cambridge, MA 02138, USA. Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA. lukin@physics.harvard.edu hongkun_park@harvard.edu. ; Department of Physics, Harvard University, Cambridge, MA 02138, USA. lukin@physics.harvard.edu hongkun_park@harvard.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25636797" target="_blank"〉PubMed〈/a〉
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  • 65
    Publikationsdatum: 2015-05-30
    Beschreibung: The causal mechanisms responsible for the abrupt climate changes of the Last Glacial Period remain unclear. One major difficulty is dating ice-rafted debris deposits associated with Heinrich events: Extensive iceberg influxes into the North Atlantic Ocean linked to global impacts on climate and biogeochemistry. In a new ice core record of atmospheric methane with ultrahigh temporal resolution, we find abrupt methane increases within Heinrich stadials 1, 2, 4, and 5 that, uniquely, have no counterparts in Greenland temperature proxies. Using a heuristic model of tropical rainfall distribution, we propose that Hudson Strait Heinrich events caused rainfall intensification over Southern Hemisphere land areas, thereby producing excess methane in tropical wetlands. Our findings suggest that the climatic impacts of Heinrich events persisted for 740 to 1520 years.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rhodes, Rachael H -- Brook, Edward J -- Chiang, John C H -- Blunier, Thomas -- Maselli, Olivia J -- McConnell, Joseph R -- Romanini, Daniele -- Severinghaus, Jeffrey P -- New York, N.Y. -- Science. 2015 May 29;348(6238):1016-9. doi: 10.1126/science.1262005.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉College of Earth, Ocean, and Atmospheric Sciences, 104 CEOAS Administration, Oregon State University, Corvallis, OR 97331, USA. rhodesra@geo.oregonstate.edu. ; College of Earth, Ocean, and Atmospheric Sciences, 104 CEOAS Administration, Oregon State University, Corvallis, OR 97331, USA. ; Department of Geography and Berkeley Atmospheric Sciences Center, University of California, Berkeley, CA, USA. ; Center for Ice and Climate, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark. ; Division of Hydrologic Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA. ; Joseph Fourier University-Grenoble 1/CNRS, LIPhy UMR 5588, Grenoble, F-38041, France. ; Scripps Institution of Oceanography, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0244, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26023138" target="_blank"〉PubMed〈/a〉
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  • 66
    Publikationsdatum: 2015-03-21
    Beschreibung: Analysis of single molecules in living cells has provided quantitative insights into the kinetics of fundamental biological processes; however, the dynamics of messenger RNA (mRNA) translation have yet to be addressed. We have developed a fluorescence microscopy technique that reports on the first translation events of individual mRNA molecules. This allowed us to examine the spatiotemporal regulation of translation during normal growth and stress and during Drosophila oocyte development. We have shown that mRNAs are not translated in the nucleus but translate within minutes after export, that sequestration within P-bodies regulates translation, and that oskar mRNA is not translated until it reaches the posterior pole of the oocyte. This methodology provides a framework for studying initiation of protein synthesis on single mRNAs in living cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4451088/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4451088/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Halstead, James M -- Lionnet, Timothee -- Wilbertz, Johannes H -- Wippich, Frank -- Ephrussi, Anne -- Singer, Robert H -- Chao, Jeffrey A -- EB013571/EB/NIBIB NIH HHS/ -- GM57071/GM/NIGMS NIH HHS/ -- NS83085/NS/NINDS NIH HHS/ -- R01 EB013571/EB/NIBIB NIH HHS/ -- R01 GM057071/GM/NIGMS NIH HHS/ -- R01 NS083085/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Mar 20;347(6228):1367-671. doi: 10.1126/science.aaa3380.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Friedrich Miescher Institute for Biomedical Research, CH-4058 Basel, Switzerland. ; Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA. Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA. Transcription Imaging Consortium, Howard Hughes Medical Institute Janelia Farm Research Campus, Ashburn, VA 20147, USA. ; Friedrich Miescher Institute for Biomedical Research, CH-4058 Basel, Switzerland. University of Basel, CH-4003 Basel, Switzerland. ; Developmental Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. ; Developmental Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. ephrussi@embl.de robert.singer@einstein.yu.edu jeffrey.chao@fmi.ch. ; Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA. Gruss-Lipper Biophotonics Center, Albert Einstein College of Medicine, Bronx, NY 10461, USA. Transcription Imaging Consortium, Howard Hughes Medical Institute Janelia Farm Research Campus, Ashburn, VA 20147, USA. ephrussi@embl.de robert.singer@einstein.yu.edu jeffrey.chao@fmi.ch. ; Friedrich Miescher Institute for Biomedical Research, CH-4058 Basel, Switzerland. Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA. ephrussi@embl.de robert.singer@einstein.yu.edu jeffrey.chao@fmi.ch.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25792328" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biological Transport ; *Biosensing Techniques ; Cell Nucleus/metabolism ; Cytosol/metabolism ; Drosophila Proteins/biosynthesis/genetics ; Drosophila melanogaster/cytology/growth & development/metabolism ; Microscopy, Fluorescence/methods ; Molecular Imaging/*methods ; Oocytes/growth & development/metabolism ; *Peptide Chain Initiation, Translational ; RNA, Messenger/*chemistry/*metabolism
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  • 67
    Publikationsdatum: 2015-04-04
    Beschreibung: Plant immunity against foreign gene invasion takes advantage of posttranscriptional gene silencing (PTGS). How plants elaborately avert inappropriate PTGS of endogenous coding genes remains unclear. We demonstrate in Arabidopsis that both 5'-3' and 3'-5' cytoplasmic RNA decay pathways act as repressors of transgene and endogenous PTGS. Disruption of bidirectional cytoplasmic RNA decay leads to pleiotropic developmental defects and drastic transcriptomic alterations, which are substantially rescued by PTGS mutants. Upon dysfunction of bidirectional RNA decay, a large number of 21- to 22-nucleotide endogenous small interfering RNAs are produced from coding transcripts, including multiple microRNA targets, which could interfere with their cognate gene expression and functions. This study highlights the risk of unwanted PTGS and identifies cytoplasmic RNA decay pathways as safeguards of plant transcriptome and development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Xinyan -- Zhu, Ying -- Liu, Xiaodan -- Hong, Xinyu -- Xu, Yang -- Zhu, Ping -- Shen, Yang -- Wu, Huihui -- Ji, Yusi -- Wen, Xing -- Zhang, Chen -- Zhao, Qiong -- Wang, Yichuan -- Lu, Jian -- Guo, Hongwei -- New York, N.Y. -- Science. 2015 Apr 3;348(6230):120-3. doi: 10.1126/science.aaa2618.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Protein and Plant Gene Research, College of Life Sciences, Peking University, Beijing 100871, China. ; Biodynamic Optical Imaging Center, School of Life Sciences, Peking University, Beijing 100871, China. ; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China. ; State Key Laboratory of Protein and Plant Gene Research, College of Life Sciences, Peking University, Beijing 100871, China. Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China. ; State Key Laboratory of Protein and Plant Gene Research, College of Life Sciences, Peking University, Beijing 100871, China. Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China. hongweig@pku.edu.cn.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25838384" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Arabidopsis/*genetics/growth & development/metabolism ; Arabidopsis Proteins/genetics/physiology ; Cytoplasm/*metabolism ; *Gene Expression Regulation, Plant ; Metabolic Networks and Pathways ; MicroRNAs/genetics/metabolism ; Mutation ; Plant Immunity/*genetics ; *RNA Interference ; RNA Replicase/genetics/physiology ; *RNA Stability ; RNA, Plant/*genetics/metabolism ; RNA, Small Interfering/genetics/metabolism ; *Suppression, Genetic ; Transcriptome ; Transgenes
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  • 68
    Publikationsdatum: 2015-10-24
    Beschreibung: Pollen grains undergo dramatic changes in cellular water potential as they deliver the male germ line to female gametes, and it has been proposed that mechanosensitive ion channels may sense the resulting mechanical stress. Here, we identify and characterize MscS-like 8 (MSL8), a pollen-specific, membrane tension-gated ion channel required for pollen to survive the hypoosmotic shock of rehydration and for full male fertility. MSL8 negatively regulates pollen germination but is required for cellular integrity during germination and tube growth. MSL8 thus senses and responds to changes in membrane tension associated with pollen hydration and germination. These data further suggest that homologs of bacterial MscS have been repurposed in eukaryotes to function as mechanosensors in multiple developmental and environmental contexts.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4764502/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4764502/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, Eric S -- Jensen, Gregory S -- Maksaev, Grigory -- Katims, Andrew -- Sherp, Ashley M -- Haswell, Elizabeth S -- 2R01GM084211/GM/NIGMS NIH HHS/ -- R01 GM084211/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Oct 23;350(6259):438-41. doi: 10.1126/science.aac6014.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biology, Washington University in Saint Louis, Saint Louis, MO 63130, USA. ; Department of Biology, Washington University in Saint Louis, Saint Louis, MO 63130, USA. ehaswell@wustl.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26494758" target="_blank"〉PubMed〈/a〉
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-03-31
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kollipara, Puneet -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1403-4. doi: 10.1126/science.347.6229.1403-b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25814561" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Agrochemicals ; Chemical Industry/*legislation & jurisprudence ; Conservation of Natural Resources/*legislation & jurisprudence ; Ecotoxicology/*legislation & jurisprudence ; Toxicity Tests ; United States ; United States Environmental Protection Agency
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-11-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):896. doi: 10.1126/science.350.6263.896.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586739" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *African Americans ; Biomedical Research/economics ; Biotechnology/*economics/*manpower ; Financial Support ; Government Programs ; Humans ; Laboratory Personnel/*economics ; National Institutes of Health (U.S.)/*economics ; Small Business/economics/trends ; United States
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  • 71
    Publikationsdatum: 2015-06-13
    Beschreibung: Agents that promote tissue regeneration could be beneficial in a variety of clinical settings, such as stimulating recovery of the hematopoietic system after bone marrow transplantation. Prostaglandin PGE2, a lipid signaling molecule that supports expansion of several types of tissue stem cells, is a candidate therapeutic target for promoting tissue regeneration in vivo. Here, we show that inhibition of 15-hydroxyprostaglandin dehydrogenase (15-PGDH), a prostaglandin-degrading enzyme, potentiates tissue regeneration in multiple organs in mice. In a chemical screen, we identify a small-molecule inhibitor of 15-PGDH (SW033291) that increases prostaglandin PGE2 levels in bone marrow and other tissues. SW033291 accelerates hematopoietic recovery in mice receiving a bone marrow transplant. The same compound also promotes tissue regeneration in mouse models of colon and liver injury. Tissues from 15-PGDH knockout mice demonstrate similar increased regenerative capacity. Thus, 15-PGDH inhibition may be a valuable therapeutic strategy for tissue regeneration in diverse clinical contexts.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4481126/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4481126/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Yongyou -- Desai, Amar -- Yang, Sung Yeun -- Bae, Ki Beom -- Antczak, Monika I -- Fink, Stephen P -- Tiwari, Shruti -- Willis, Joseph E -- Williams, Noelle S -- Dawson, Dawn M -- Wald, David -- Chen, Wei-Dong -- Wang, Zhenghe -- Kasturi, Lakshmi -- Larusch, Gretchen A -- He, Lucy -- Cominelli, Fabio -- Di Martino, Luca -- Djuric, Zora -- Milne, Ginger L -- Chance, Mark -- Sanabria, Juan -- Dealwis, Chris -- Mikkola, Debra -- Naidoo, Jacinth -- Wei, Shuguang -- Tai, Hsin-Hsiung -- Gerson, Stanton L -- Ready, Joseph M -- Posner, Bruce -- Willson, James K V -- Markowitz, Sanford D -- 1P01CA95471-09/CA/NCI NIH HHS/ -- 5P30 CA142543-03/CA/NCI NIH HHS/ -- P01 CA095471/CA/NCI NIH HHS/ -- P30 CA043703/CA/NCI NIH HHS/ -- P30 CA142543/CA/NCI NIH HHS/ -- P30 DK020572/DK/NIDDK NIH HHS/ -- P30 DK097948/DK/NIDDK NIH HHS/ -- P50 CA130810/CA/NCI NIH HHS/ -- P50 CA150964/CA/NCI NIH HHS/ -- R01 CA127590/CA/NCI NIH HHS/ -- R25 CA148052/CA/NCI NIH HHS/ -- R25CA148052/CA/NCI NIH HHS/ -- U54 HL119810/HL/NHLBI NIH HHS/ -- U54HL119810/HL/NHLBI NIH HHS/ -- UL1 TR000439/TR/NCATS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):aaa2340. doi: 10.1126/science.aaa2340.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA. ; Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA. Department of Gastroenterology, Haeundae Paik Hospital, Inje University, Busan 612896, South Korea. ; Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA. Department of Surgery, Busan Paik Hospital, and Paik Institute of Clinical Research and Ocular Neovascular Research Center, Inje University, Busan, South Korea. ; Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. ; Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA. Case Medical Center, University Hospitals of Cleveland, Cleveland, OH 44106, USA. ; Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA. Department of Pathology, Case Western Reserve University, Cleveland, OH 44106, USA. Case Medical Center, University Hospitals of Cleveland, Cleveland, OH 44106, USA. ; Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA. Department of Pathology, Case Western Reserve University, Cleveland, OH 44106, USA. ; Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA. Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, OH 44106, USA. ; Department of Family Medicine, University of Michigan, Ann Arbor MI 48109, USA. ; Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, USA. ; Proteomics Center, Case Western Reserve University, Cleveland, OH 44106, USA. ; Department of Surgery, Case Western Reserve University, Cleveland, OH 44106, USA. Case Medical Center, University Hospitals of Cleveland, Cleveland, OH 44106, USA. ; Department of Pharmacology, Case Western Reserve University, Cleveland, OH 44106, USA. ; College of Pharmacy, University of Kentucky, Lexington, KY 40536, USA. ; Department of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA. Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH 44106, USA. Case Medical Center, University Hospitals of Cleveland, Cleveland, OH 44106, USA. sxm10@cwru.edu james.willson@utsouthwestern.edu slg5@cwru.edu joseph.ready@utsouthwestern.edu bruce.posner@utsouthwestern.edu. ; Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. Simmons Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. sxm10@cwru.edu james.willson@utsouthwestern.edu slg5@cwru.edu joseph.ready@utsouthwestern.edu bruce.posner@utsouthwestern.edu. ; Simmons Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA. sxm10@cwru.edu james.willson@utsouthwestern.edu slg5@cwru.edu joseph.ready@utsouthwestern.edu bruce.posner@utsouthwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068857" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Bone Marrow Transplantation ; Colitis/enzymology/prevention & control ; Dinoprostone/metabolism ; Enzyme Inhibitors/chemistry/pharmacology ; Hematopoiesis/drug effects ; Hydroxyprostaglandin Dehydrogenases/antagonists & inhibitors/genetics/*physiology ; Liver Regeneration/drug effects ; Mice ; Mice, Knockout ; Prostaglandins/*metabolism ; Pyridines/chemistry/pharmacology ; Regeneration/drug effects/genetics/*physiology ; Thiophenes/chemistry/pharmacology
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  • 72
    Publikationsdatum: 2015-10-17
    Beschreibung: Capturing CO2 from humid flue gases and atmosphere with porous materials remains costly because prior dehydration of the gases is required. A large number of microporous materials with physical adsorption capacity have been developed as CO2-capturing materials. However, most of them suffer from CO2 sorption capacity reduction or structure decomposition that is caused by co-adsorbed H2O when exposed to humid flue gases and atmosphere. We report a highly stable microporous coppersilicate. It has H2O-specific and CO2-specific adsorption sites but does not have H2O/CO2-sharing sites. Therefore, it readily adsorbs both H2O and CO2 from the humid flue gases and atmosphere, but the adsorbing H2O does not interfere with the adsorption of CO2. It is also highly stable after adsorption of H2O and CO2 because it was synthesized hydrothermally.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Datta, Shuvo Jit -- Khumnoon, Chutharat -- Lee, Zhen Hao -- Moon, Won Kyung -- Docao, Son -- Nguyen, Thanh Huu -- Hwang, In Chul -- Moon, Dohyun -- Oleynikov, Peter -- Terasaki, Osamu -- Yoon, Kyung Byung -- New York, N.Y. -- Science. 2015 Oct 16;350(6258):302-6. doi: 10.1126/science.aab1680.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Korea Center for Artificial Photosynthesis, Department of Chemistry, Sogang University, Seoul 121-742, Korea. ; Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang 790-784, Korea. ; Department of Materials and Environmental Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden. ; Department of Materials and Environmental Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden. Graduate School of EEWS, KAIST, Daejeon 305-701, Korea. School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China. ; Korea Center for Artificial Photosynthesis, Department of Chemistry, Sogang University, Seoul 121-742, Korea. yoonkb@sogang.ac.kr.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26472904" target="_blank"〉PubMed〈/a〉
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  • 73
    Publikationsdatum: 2015-07-15
    Beschreibung: Rigidity of an ordered phase in condensed matter results in collective excitation modes spatially extending to macroscopic dimensions. A magnon is a quantum of such collective excitation modes in ordered spin systems. Here, we demonstrate the coherent coupling between a single-magnon excitation in a millimeter-sized ferromagnetic sphere and a superconducting qubit, with the interaction mediated by the virtual photon excitation in a microwave cavity. We obtain the coupling strength far exceeding the damping rates, thus bringing the hybrid system into the strong coupling regime. Furthermore, we use a parametric drive to realize a tunable magnon-qubit coupling scheme. Our approach provides a versatile tool for quantum control and measurement of the magnon excitations and may lead to advances in quantum information processing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabuchi, Yutaka -- Ishino, Seiichiro -- Noguchi, Atsushi -- Ishikawa, Toyofumi -- Yamazaki, Rekishu -- Usami, Koji -- Nakamura, Yasunobu -- New York, N.Y. -- Science. 2015 Jul 24;349(6246):405-8. doi: 10.1126/science.aaa3693. Epub 2015 Jul 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Meguro-ku, Tokyo 153-8904, Japan. tabuchi@qc.rcast.u-tokyo.ac.jp. ; Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Meguro-ku, Tokyo 153-8904, Japan. ; Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, Meguro-ku, Tokyo 153-8904, Japan. Center for Emergent Matter Science (CEMS), RIKEN, Wako, Saitama 351-0198, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26160378" target="_blank"〉PubMed〈/a〉
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  • 74
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-05-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bilbe, Graeme -- New York, N.Y. -- Science. 2015 May 29;348(6238):974-6. doi: 10.1126/science.aaa3683. Epub 2015 May 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Drugs for Neglected Diseases Initiative, 15 Chemin Louis Dunant, 1202 Geneva, Switzerland. gbilbe@dndi.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26023124" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antiprotozoal Agents/adverse effects/*chemistry/therapeutic use ; Chagas Disease/drug therapy/transmission ; Disease Models, Animal ; *Drug Design ; Euglenozoa Infections/*drug therapy/transmission ; Humans ; Kinetoplastida/*drug effects ; Leishmaniasis/drug therapy/transmission ; Mice ; Neglected Diseases/*drug therapy ; Trypanosoma cruzi/drug effects ; Trypanosomiasis, African/drug therapy/transmission
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  • 75
    Publikationsdatum: 2015-04-25
    Beschreibung: Multilayer thin films have garnered intense scientific interest due to their potential application in diverse fields such as catalysis, optics, energy, membranes, and biomedicine. Here we review the current technologies for multilayer thin-film deposition using layer-by-layer assembly, and we discuss the different properties and applications arising from the technologies. We highlight five distinct routes of assembly-immersive, spin, spray, electromagnetic, and fluidic assembly-each of which offers material and processing advantages for assembling layer-by-layer films. Each technology encompasses numerous innovations for automating and improving layering, which is important for research and industrial applications. Furthermore, we discuss how judicious choice of the assembly technology enables the engineering of thin films with tailor-made physicochemical properties, such as distinct-layer stratification, controlled roughness, and highly ordered packing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richardson, Joseph J -- Bjornmalm, Mattias -- Caruso, Frank -- New York, N.Y. -- Science. 2015 Apr 24;348(6233):aaa2491. doi: 10.1126/science.aaa2491.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Australian Research Council (ARC) Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia. ; Australian Research Council (ARC) Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical and Biomolecular Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia. fcaruso@unimelb.edu.au.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25908826" target="_blank"〉PubMed〈/a〉
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  • 76
    Publikationsdatum: 2015-04-18
    Beschreibung: Most present-day galaxies with stellar masses 〉/=10(11) solar masses show no ongoing star formation and are dense spheroids. Ten billion years ago, similarly massive galaxies were typically forming stars at rates of hundreds solar masses per year. It is debated how star formation ceased, on which time scales, and how this "quenching" relates to the emergence of dense spheroids. We measured stellar mass and star-formation rate surface density distributions in star-forming galaxies at redshift 2.2 with ~1-kiloparsec resolution. We find that, in the most massive galaxies, star formation is quenched from the inside out, on time scales less than 1 billion years in the inner regions, up to a few billion years in the outer disks. These galaxies sustain high star-formation activity at large radii, while hosting fully grown and already quenched bulges in their cores.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tacchella, S -- Carollo, C M -- Renzini, A -- Forster Schreiber, N M -- Lang, P -- Wuyts, S -- Cresci, G -- Dekel, A -- Genzel, R -- Lilly, S J -- Mancini, C -- Newman, S -- Onodera, M -- Shapley, A -- Tacconi, L -- Woo, J -- Zamorani, G -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):314-7. doi: 10.1126/science.1261094.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, Institute for Astronomy, ETH Zurich, CH-8093 Zurich, Switzerland. sandro.tacchella@phys.ethz.ch marcella.carollo@phys.ethz.ch. ; Istituto Nazionale di Astrofisica (INAF) Osservatorio Astronomico di Padova, Vicolo dell Osservatorio 5, I-35122 Padova, Italy. ; Max-Planck-Institut fur Extraterrestrische Physik, Giessenbachstrasse 1, D-85748 Garching, Germany. ; INAF Osservatorio Astronomico di Arcetri, Largo Enrico Fermi 5, I-50125 Firenze, Italy. ; Racah Institute of Physics, The Hebrew University, Jerusalem 91904, Israel. ; Max-Planck-Institut fur Extraterrestrische Physik, Giessenbachstrasse 1, D-85748 Garching, Germany. Department of Astronomy, Campbell Hall, University of California, Berkeley, CA 94720, USA. Department of Physics, Le Conte Hall, University of California, Berkeley, CA 94720, USA. ; Department of Physics, Institute for Astronomy, ETH Zurich, CH-8093 Zurich, Switzerland. ; Department of Astronomy, Campbell Hall, University of California, Berkeley, CA 94720, USA. ; Department of Physics and Astronomy, University of California, Los Angeles, CA 90095-1547, USA. ; INAF Osservatorio Astronomico di Bologna, Via Ranzani 1, I-40127 Bologna, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883353" target="_blank"〉PubMed〈/a〉
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  • 77
    Publikationsdatum: 2015-08-22
    Beschreibung: If dark energy, which drives the accelerated expansion of the universe, consists of a light scalar field, it might be detectable as a "fifth force" between normal-matter objects, in potential conflict with precision tests of gravity. Chameleon fields and other theories with screening mechanisms, however, can evade these tests by suppressing the forces in regions of high density, such as the laboratory. Using a cesium matter-wave interferometer near a spherical mass in an ultrahigh-vacuum chamber, we reduced the screening mechanism by probing the field with individual atoms rather than with bulk matter. We thereby constrained a wide class of dark energy theories, including a range of chameleon and other theories that reproduce the observed cosmic acceleration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, P -- Jaffe, M -- Haslinger, P -- Simmons, Q -- Muller, H -- Khoury, J -- New York, N.Y. -- Science. 2015 Aug 21;349(6250):849-51. doi: 10.1126/science.aaa8883.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics, 366 Le Conte Hall MS 7300, University of California-Berkeley, Berkeley, CA 94720, USA. ; Department of Physics, 366 Le Conte Hall MS 7300, University of California-Berkeley, Berkeley, CA 94720, USA. Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, CA 94720, USA. hm@berkeley.edu. ; Center for Particle Cosmology, Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26293958" target="_blank"〉PubMed〈/a〉
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  • 78
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-04-11
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Komander, David -- New York, N.Y. -- Science. 2015 Apr 10;348(6231):183-4. doi: 10.1126/science.aab0931.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Medical Research Council Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge CB2 0QH, UK. dk@mrc-lmb.cam.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25859031" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anaphase-Promoting Complex-Cyclosome/*metabolism ; Humans ; Proteasome Endopeptidase Complex/*metabolism ; *Proteolysis ; Ubiquitin/*metabolism ; Ubiquitinated Proteins/*metabolism
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  • 79
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-01-24
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davis, Mark M -- U19 AI057229/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 Jan 23;347(6220):371-2. doi: 10.1126/science.aaa5082.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Institute for Immunity, Transplantation and Infection, Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA. mmdavis@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25613876" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): CD4-Positive T-Lymphocytes/*immunology ; Candida albicans/*immunology ; Host-Pathogen Interactions/*immunology ; Humans ; *Immunologic Memory ; Mycobacterium tuberculosis/*immunology ; T-Lymphocyte Subsets/*immunology ; Vaccines/*immunology
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  • 80
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-11-07
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Nov 6;350(6261):615. doi: 10.1126/science.350.6261.615.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26542546" target="_blank"〉PubMed〈/a〉
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  • 81
    Publikationsdatum: 2015-05-09
    Beschreibung: The design of high-finesse resonant cavities for electronic waves faces challenges due to short electron coherence lengths in solids. Complementing previous approaches to confine electronic waves by carefully positioned adatoms at clean metallic surfaces, we demonstrate an approach inspired by the peculiar acoustic phenomena in whispering galleries. Taking advantage of graphene's gate-tunable light-like carriers, we create whispering-gallery mode (WGM) resonators defined by circular pn junctions, induced by a scanning tunneling probe. We can tune the resonator size and the carrier concentration under the probe in a back-gated graphene device over a wide range. The WGM-type confinement and associated resonances are a new addition to the quantum electron-optics toolbox, paving the way to develop electronic lenses and resonators.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Yue -- Wyrick, Jonathan -- Natterer, Fabian D -- Rodriguez-Nieva, Joaquin F -- Lewandowski, Cyprian -- Watanabe, Kenji -- Taniguchi, Takashi -- Levitov, Leonid S -- Zhitenev, Nikolai B -- Stroscio, Joseph A -- New York, N.Y. -- Science. 2015 May 8;348(6235):672-5. doi: 10.1126/science.aaa7469. Epub 2015 May 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA. Maryland NanoCenter, University of Maryland, College Park, MD 20742, USA. ; Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA. ; Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. ; Department of Physics, Imperial College London, London SW7 2AZ, UK. ; National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan. ; Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA. nikolai.zhitenev@nist.gov joseph.stroscio@nist.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25954005" target="_blank"〉PubMed〈/a〉
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  • 82
    Publikationsdatum: 2015-06-13
    Beschreibung: During rest, brain activity is synchronized between different regions widely distributed throughout the brain, forming functional networks. However, the molecular mechanisms supporting functional connectivity remain undefined. We show that functional brain networks defined with resting-state functional magnetic resonance imaging can be recapitulated by using measures of correlated gene expression in a post mortem brain tissue data set. The set of 136 genes we identify is significantly enriched for ion channels. Polymorphisms in this set of genes significantly affect resting-state functional connectivity in a large sample of healthy adolescents. Expression levels of these genes are also significantly associated with axonal connectivity in the mouse. The results provide convergent, multimodal evidence that resting-state functional networks correlate with the orchestrated activity of dozens of genes linked to ion channel activity and synaptic function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Richiardi, Jonas -- Altmann, Andre -- Milazzo, Anna-Clare -- Chang, Catie -- Chakravarty, M Mallar -- Banaschewski, Tobias -- Barker, Gareth J -- Bokde, Arun L W -- Bromberg, Uli -- Buchel, Christian -- Conrod, Patricia -- Fauth-Buhler, Mira -- Flor, Herta -- Frouin, Vincent -- Gallinat, Jurgen -- Garavan, Hugh -- Gowland, Penny -- Heinz, Andreas -- Lemaitre, Herve -- Mann, Karl F -- Martinot, Jean-Luc -- Nees, Frauke -- Paus, Tomas -- Pausova, Zdenka -- Rietschel, Marcella -- Robbins, Trevor W -- Smolka, Michael N -- Spanagel, Rainer -- Strohle, Andreas -- Schumann, Gunter -- Hawrylycz, Mike -- Poline, Jean-Baptiste -- Greicius, Michael D -- IMAGEN consortium -- 93558/Medical Research Council/United Kingdom -- R01 MH085772-01A1/MH/NIMH NIH HHS/ -- R01NS073498/NS/NINDS NIH HHS/ -- U54 EB020403/EB/NIBIB NIH HHS/ -- Department of Health/United Kingdom -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 Jun 12;348(6240):1241-4. doi: 10.1126/science.1255905. Epub 2015 Jun 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Functional Imaging in Neuropsychiatric Disorders Laboratory, Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA. Laboratory of Neurology and Imaging of Cognition, Department of Neuroscience, University of Geneva, Geneva, Switzerland. jonas.richiardi@unige.ch greicius@stanford.edu. ; Functional Imaging in Neuropsychiatric Disorders Laboratory, Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA. ; The War Related Illness and Injury Study Center, VA Palo Alto Health Care System, Palo Alto, CA, USA. Functional Imaging in Neuropsychiatric Disorders Laboratory, Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA. ; Advanced MRI Section, Laboratory of Functional and Molecular Imaging, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA. ; Cerebral Imaging Centre, Douglas Mental Health University Institute, Montreal, Canada. Departments of Psychiatry and Biomedical Engineering, McGill University, Montreal, Canada. ; Department of Child and Adolescent Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. ; Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK. ; Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland. ; Universitaetsklinikum Hamburg Eppendorf, Hamburg, Germany. ; Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK. Department of Psychiatry, Universite de Montreal, Centre Hospitalier Universitaire (CHU) Ste Justine Hospital, Montreal, Canada. ; Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. ; Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. ; Neurospin, Commissariat a l'Energie Atomique et aux Energies Alternatives, Paris, France. ; Department of Psychiatry and Psychotherapy, Campus Charite Mitte, Charite-Universitatsmedizin Berlin, Berlin, Germany. ; Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland. Departments of Psychiatry and Psychology, University of Vermont, Burlington, VT, USA. ; School of Physics and Astronomy, University of Nottingham, Nottingham, UK. ; Institut National de la Sante et de la Recherche Medicale, INSERM Unit 1000 "Neuroimaging and Psychiatry," University Paris Sud, Orsay, France. INSERM Unit 1000 at Maison de Solenn, Assistance Publique Hopitaux de Paris (APHP), Cochin Hospital, University Paris Descartes, Sorbonne Paris Cite, Paris, France. ; Rotman Research Institute, University of Toronto, Toronto, Canada. School of Psychology, University of Nottingham, Nottingham, UK. ; The Hospital for Sick Children, University of Toronto, Toronto, Canada. ; Department of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany. ; Behavioural and Clinical Neuroscience Institute and Department of Psychology, University of Cambridge, Cambridge, UK. ; Department of Psychiatry and Psychotherapy, and Neuroimaging Center, Technische Universitat Dresden, Dresden, Germany. ; Department of Psychopharmacology, Central Institute of Mental Health, Faculty of Clinical Medicine Mannheim, Mannheim, Germany. ; Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK. Medical Research Council (MRC) Social, Genetic and Developmental Psychiatry (SGDP) Centre, London, UK. ; Allen Institute for Brain Science, Seattle, WA, USA. ; Helen Wills Neuroscience Institute, University of California Berkeley, Berkeley, CA, USA. ; Functional Imaging in Neuropsychiatric Disorders Laboratory, Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA. jonas.richiardi@unige.ch greicius@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26068849" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Animals ; Brain/metabolism/*physiology ; Female ; Gene Expression ; Humans ; Ion Channels/*genetics ; Magnetic Resonance Imaging ; Male ; Mice ; Nerve Net/metabolism/*physiology ; Neural Pathways/metabolism/physiology ; Polymorphism, Genetic ; Rest/*physiology ; Synapses/metabolism/physiology ; *Transcriptome ; Young Adult
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  • 83
    Publikationsdatum: 2015-01-17
    Beschreibung: The physiological and biomechanical requirements of flight at high altitude have been the subject of much interest. Here, we uncover a steep relation between heart rate and wingbeat frequency (raised to the exponent 3.5) and estimated metabolic power and wingbeat frequency (exponent 7) of migratory bar-headed geese. Flight costs increase more rapidly than anticipated as air density declines, which overturns prevailing expectations that this species should maintain high-altitude flight when traversing the Himalayas. Instead, a "roller coaster" strategy, of tracking the underlying terrain and discarding large altitude gains only to recoup them later in the flight with occasional benefits from orographic lift, is shown to be energetically advantageous for flights over the Himalayas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bishop, C M -- Spivey, R J -- Hawkes, L A -- Batbayar, N -- Chua, B -- Frappell, P B -- Milsom, W K -- Natsagdorj, T -- Newman, S H -- Scott, G R -- Takekawa, J Y -- Wikelski, M -- Butler, P J -- BB/FO15615/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2015 Jan 16;347(6219):250-4. doi: 10.1126/science.1258732.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, Bangor University, Bangor, Gwynedd, UK. ; School of Biological Sciences, Bangor University, Bangor, Gwynedd, UK. c.bishop@bangor.ac.uk l.hawkes@exeter.ac.uk. ; Wildlife Science and Conservation Center of Mongolia, Ulaanbataar, Mongolia. ; Department of Zoology, University of British Columbia, Vancouver, British Columbia, Canada. ; Office of the Dean of Graduate Research, University of Tasmania, Tasmania, Australia. ; Mongolian Academy of Sciences, Ulaanbataar, Mongolia. ; Emergency Prevention System(EMPRES) Wildlife and Ecology Unit, Food and Agriculture Organization of the United Nations (FAO), Rome, Italy. ; Department of Biology, McMaster University, Ontario, Ontario, Canada. ; San Francisco Bay Estuary Field Station, Western Ecological Research Center, U.S. Geological Survey, Vallejo, CA 94592 USA. ; Max Planck Institut fur Ornithologie, Radolfzell, Germany. Department of Biology, University of Konstanz, Konstanz, Germany. ; School of Biosciences, University of Birmingham, Birmingham, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25593180" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Altitude ; *Animal Migration ; Animals ; Biomechanical Phenomena ; Body Temperature ; Body Weight ; *Energy Metabolism ; Flight, Animal/*physiology ; Geese/*physiology ; Heart Rate ; Tibet ; Wings, Animal/*physiology
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  • 84
    Publikationsdatum: 2015-06-06
    Beschreibung: Circadian and metabolic physiology are intricately intertwined, as illustrated by Rev-erbalpha, a transcription factor (TF) that functions both as a core repressive component of the cell-autonomous clock and as a regulator of metabolic genes. Here, we show that Rev-erbalpha modulates the clock and metabolism by different genomic mechanisms. Clock control requires Rev-erbalpha to bind directly to the genome at its cognate sites, where it competes with activating ROR TFs. By contrast, Rev-erbalpha regulates metabolic genes primarily by recruiting the HDAC3 co-repressor to sites to which it is tethered by cell type-specific transcription factors. Thus, direct competition between Rev-erbalpha and ROR TFs provides a universal mechanism for self-sustained control of the molecular clock across all tissues, whereas Rev-erbalpha uses lineage-determining factors to convey a tissue-specific epigenomic rhythm that regulates metabolism tailored to the specific need of that tissue.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4613749/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4613749/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, Yuxiang -- Fang, Bin -- Emmett, Matthew J -- Damle, Manashree -- Sun, Zheng -- Feng, Dan -- Armour, Sean M -- Remsberg, Jarrett R -- Jager, Jennifer -- Soccio, Raymond E -- Steger, David J -- Lazar, Mitchell A -- F30 DK104513/DK/NIDDK NIH HHS/ -- F32 DK102284/DK/NIDDK NIH HHS/ -- K08 DK094968/DK/NIDDK NIH HHS/ -- P30 DK019525/DK/NIDDK NIH HHS/ -- P30 DK050306/DK/NIDDK NIH HHS/ -- P30 DK19525/DK/NIDDK NIH HHS/ -- R00 DK099443/DK/NIDDK NIH HHS/ -- R01 DK045586/DK/NIDDK NIH HHS/ -- R01 DK098542/DK/NIDDK NIH HHS/ -- R01 DK45586/DK/NIDDK NIH HHS/ -- T32 GM0008275/GM/NIGMS NIH HHS/ -- T32 GM008275/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Jun 26;348(6242):1488-92. doi: 10.1126/science.aab3021. Epub 2015 Jun 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Department of Genetics, and the Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Department of Genetics, and the Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. Department of Molecular and Cellular Biology, Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA. ; Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Department of Genetics, and the Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. lazar@mail.med.upenn.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26044300" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; CLOCK Proteins/*genetics ; Circadian Clocks/*genetics ; Circadian Rhythm/*genetics ; *Gene Expression Regulation ; Hepatocyte Nuclear Factor 6/metabolism ; Histone Deacetylases/*metabolism ; Lipid Metabolism/genetics ; Liver/metabolism ; Male ; Metabolism/*genetics ; Mice, Inbred C57BL ; Mice, Knockout ; Nuclear Receptor Subfamily 1, Group D, Member 1/genetics/*metabolism ; Nuclear Receptor Subfamily 1, Group F, Member 1/metabolism ; Organ Specificity ; Protein Binding ; Tissue Distribution
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-09-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Sep 25;349(6255):1441. doi: 10.1126/science.349.6255.1441.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26404809" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Employment ; *Environmental Monitoring
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  • 86
    Publikationsdatum: 2015-09-01
    Beschreibung: The global biogeography of microorganisms remains largely unknown, in contrast to the well-studied diversity patterns of macroorganisms. We used arbuscular mycorrhizal (AM) fungus DNA from 1014 plant-root samples collected worldwide to determine the global distribution of these plant symbionts. We found that AM fungal communities reflected local environmental conditions and the spatial distance between sites. However, despite AM fungi apparently possessing limited dispersal ability, we found 93% of taxa on multiple continents and 34% on all six continents surveyed. This contrasts with the high spatial turnover of other fungal taxa and with the endemism displayed by plants at the global scale. We suggest that the biogeography of AM fungi is driven by unexpectedly efficient dispersal, probably via both abiotic and biotic vectors, including humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davison, J -- Moora, M -- Opik, M -- Adholeya, A -- Ainsaar, L -- Ba, A -- Burla, S -- Diedhiou, A G -- Hiiesalu, I -- Jairus, T -- Johnson, N C -- Kane, A -- Koorem, K -- Kochar, M -- Ndiaye, C -- Partel, M -- Reier, U -- Saks, U -- Singh, R -- Vasar, M -- Zobel, M -- New York, N.Y. -- Science. 2015 Aug 28;349(6251):970-3. doi: 10.1126/science.aab1161.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. ; Centre for Mycorrhizal Research, The Energy and Resources Institute (TERI), India Habitat Centre, Lodhi Road, New Delhi 110 003, India. ; Laboratoire des Symbioses Tropicales et Mediterraneennes, Unite Mixte de Recherche 113, Laboratoire de Biologie et Physiologie Vegetales, Faculte des Sciences Exactes et Naturelles, Universite des Antilles, BP 592, 97159, Pointe-a-Pitre, Guadeloupe (French West Indies). ; Laboratoire Commun de Microbiologie de l'Institut de Recherche pour le Developpement-Institut Senegalais de Recherches Agricoles-Universite Cheikh Anta Diop (UCAD), Departement de Biologie Vegetale, UCAD, BP 5005 Dakar, Senegal. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. Institute of Botany, Czech Academy of Sciences, Dukelska 135, 379 01 Trebon, Czech Republic. ; School of Earth Sciences and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-5694, USA. ; Institute of Ecology and Earth Sciences, University of Tartu, Lai 40, Tartu 51005, Estonia. Netherlands Institute of Ecology, Droevendaalsesteeg 10, 6708 PB Wageningen, Netherlands. ; TERI-Deakin Nano Biotechnology Centre, Biotechnology and Management of Bioresources Division, TERI, India Habitat Centre, Lodhi Road, New Delhi 110 003, India.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26315436" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biodiversity ; DNA, Fungal/analysis ; *Ecosystem ; Environment ; Humans ; *Mycorrhizae/genetics/isolation & purification/physiology ; Phylogeny ; Phylogeography ; Plant Roots/*microbiology ; *Symbiosis ; Water ; Wind
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-09-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Sep 25;349(6255):1440. doi: 10.1126/science.349.6255.1440.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26404808" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Environmental Monitoring ; *Homicide ; Humans ; Puerto Rico
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  • 88
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-05-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheludev, Nikolay I -- New York, N.Y. -- Science. 2015 May 29;348(6238):973-4. doi: 10.1126/science.aac4360.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre for Photonic Metamaterials, Optoelectronics Research Center, University of Southampton, Southampton SO17 1BJ, UK. Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, Singapore 637371. niz@orc.soton.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26023123" target="_blank"〉PubMed〈/a〉
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  • 89
    Publikationsdatum: 2015-05-16
    Beschreibung: PIWI-interacting RNAs (piRNAs) protect the animal germ line by silencing transposons. Primary piRNAs, generated from transcripts of genomic transposon "junkyards" (piRNA clusters), are amplified by the "ping-pong" pathway, yielding secondary piRNAs. We report that secondary piRNAs, bound to the PIWI protein Ago3, can initiate primary piRNA production from cleaved transposon RNAs. The first ~26 nucleotides (nt) of each cleaved RNA becomes a secondary piRNA, but the subsequent ~26 nt become the first in a series of phased primary piRNAs that bind Piwi, allowing piRNAs to spread beyond the site of RNA cleavage. The ping-pong pathway increases only the abundance of piRNAs, whereas production of phased primary piRNAs from cleaved transposon RNAs adds sequence diversity to the piRNA pool, allowing adaptation to changes in transposon sequence.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4545291/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4545291/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Han, Bo W -- Wang, Wei -- Li, Chengjian -- Weng, Zhiping -- Zamore, Phillip D -- GM62862/GM/NIGMS NIH HHS/ -- GM65236/GM/NIGMS NIH HHS/ -- HG007000/HG/NHGRI NIH HHS/ -- R01 GM065236/GM/NIGMS NIH HHS/ -- R37 GM062862/GM/NIGMS NIH HHS/ -- U41 HG007000/HG/NHGRI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2015 May 15;348(6236):817-21. doi: 10.1126/science.aaa1264.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RNA Therapeutics Institute, Howard Hughes Medical Institute, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. ; RNA Therapeutics Institute, Howard Hughes Medical Institute, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. Program in Bioinformatics and Integrative Biology, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. ; Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. Program in Bioinformatics and Integrative Biology, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. zhiping.weng@umassmed.edu phillip.zamore@umassmed.edu. ; RNA Therapeutics Institute, Howard Hughes Medical Institute, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, 368 Plantation Street, Worcester, MA 01605, USA. zhiping.weng@umassmed.edu phillip.zamore@umassmed.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25977554" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Argonaute Proteins/genetics/*metabolism ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/genetics/*metabolism ; Endoribonucleases/genetics/*metabolism ; Female ; Germ Cells/metabolism ; Male ; Metabolic Networks and Pathways ; Mice ; Ovary/metabolism ; Peptide Initiation Factors/genetics/*metabolism ; *RNA Cleavage ; RNA, Guide/*metabolism ; RNA, Small Interfering/biosynthesis/*metabolism ; *Retroelements ; Testis/metabolism
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  • 90
    Publikationsdatum: 2015-10-03
    Beschreibung: The ground state of quantum systems is characterized by zero-point motion. This motion, in the form of vacuum fluctuations, is generally considered to be an elusive phenomenon that manifests itself only indirectly. Here, we report direct detection of the vacuum fluctuations of electromagnetic radiation in free space. The ground-state electric-field variance is inversely proportional to the four-dimensional space-time volume, which we sampled electro-optically with tightly focused laser pulses lasting a few femtoseconds. Subcycle temporal readout and nonlinear coupling far from resonance provide signals from purely virtual photons without amplification. Our findings enable an extreme time-domain approach to quantum physics, with nondestructive access to the quantum state of light. Operating at multiterahertz frequencies, such techniques might also allow time-resolved studies of intrinsic fluctuations of elementary excitations in condensed matter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riek, C -- Seletskiy, D V -- Moskalenko, A S -- Schmidt, J F -- Krauspe, P -- Eckart, S -- Eggert, S -- Burkard, G -- Leitenstorfer, A -- New York, N.Y. -- Science. 2015 Oct 23;350(6259):420-3. doi: 10.1126/science.aac9788. Epub 2015 Oct 1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physics and Center for Applied Photonics, University of Konstanz, D-78457 Konstanz, Germany. ; Department of Physics and Center for Applied Photonics, University of Konstanz, D-78457 Konstanz, Germany. alfred.leitenstorfer@uni-konstanz.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26429882" target="_blank"〉PubMed〈/a〉
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  • 91
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-01-03
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Han, Shuo -- Brunet, Anne -- New York, N.Y. -- Science. 2015 Jan 2;347(6217):32-3. doi: 10.1126/science.aaa4565.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Stanford University, Stanford, CA 94035, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25554778" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Caenorhabditis elegans/*physiology ; Caenorhabditis elegans Proteins/*metabolism ; Longevity/*physiology ; Lysosomes/*metabolism ; Molecular Chaperones/*metabolism
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  • 92
    Publikationsdatum: 2015-08-01
    Beschreibung: Metagenomic sequencing increased our understanding of the role of the microbiome in health and disease, yet it only provides a snapshot of a highly dynamic ecosystem. Here, we show that the pattern of metagenomic sequencing read coverage for different microbial genomes contains a single trough and a single peak, the latter coinciding with the bacterial origin of replication. Furthermore, the ratio of sequencing coverage between the peak and trough provides a quantitative measure of a species' growth rate. We demonstrate this in vitro and in vivo, under different growth conditions, and in complex bacterial communities. For several bacterial species, peak-to-trough coverage ratios, but not relative abundances, correlated with the manifestation of inflammatory bowel disease and type II diabetes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Korem, Tal -- Zeevi, David -- Suez, Jotham -- Weinberger, Adina -- Avnit-Sagi, Tali -- Pompan-Lotan, Maya -- Matot, Elad -- Jona, Ghil -- Harmelin, Alon -- Cohen, Nadav -- Sirota-Madi, Alexandra -- Thaiss, Christoph A -- Pevsner-Fischer, Meirav -- Sorek, Rotem -- Xavier, Ramnik J -- Elinav, Eran -- Segal, Eran -- New York, N.Y. -- Science. 2015 Sep 4;349(6252):1101-6. doi: 10.1126/science.aac4812. Epub 2015 Jul 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel. Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel. ; Immunology Department, Weizmann Institute of Science, Rehovot, Israel. ; Department of Biological services, Weizmann Institute of Science, Rehovot, Israel. ; Department of Veterinary Resources, Weizmann Institute of Science, Rehovot, Israel. ; Center for Computational and Integrative Biology, Massachusetts General Hospital, Harvard Medical School and Broad Institute, Cambridge, MA, USA. ; Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel. ; Immunology Department, Weizmann Institute of Science, Rehovot, Israel. eran.elinav@weizmann.ac.il eran.segal@weizmann.ac.il. ; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel. Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel. eran.elinav@weizmann.ac.il eran.segal@weizmann.ac.il.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26229116" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteria/classification/genetics/*growth & development ; Diabetes Mellitus, Type 2/*microbiology ; Gastrointestinal Tract/*microbiology ; Genome, Bacterial ; Humans ; Inflammatory Bowel Diseases/*microbiology ; Metagenome ; Metagenomics ; Microbiota/genetics/*physiology
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  • 93
    Publikationsdatum: 2015-08-15
    Beschreibung: Human vocal development occurs through two parallel interactive processes that transform infant cries into more mature vocalizations, such as cooing sounds and babbling. First, natural categories of sounds change as the vocal apparatus matures. Second, parental vocal feedback sensitizes infants to certain features of those sounds, and the sounds are modified accordingly. Paradoxically, our closest living ancestors, nonhuman primates, are thought to undergo few or no production-related acoustic changes during development, and any such changes are thought to be impervious to social feedback. Using early and dense sampling, quantitative tracking of acoustic changes, and biomechanical modeling, we showed that vocalizations in infant marmoset monkeys undergo dramatic changes that cannot be solely attributed to simple consequences of growth. Using parental interaction experiments, we found that contingent parental feedback influences the rate of vocal development. These findings overturn decades-old ideas about primate vocalizations and show that marmoset monkeys are a compelling model system for early vocal development in humans.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takahashi, D Y -- Fenley, A R -- Teramoto, Y -- Narayanan, D Z -- Borjon, J I -- Holmes, P -- Ghazanfar, A A -- New York, N.Y. -- Science. 2015 Aug 14;349(6249):734-8. doi: 10.1126/science.aab1058.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA. Department of Psychology, Princeton University, Princeton, NJ 08544, USA. ; Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA. ; Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA. Department of Mechanical and Aerospace Engineering and Program in Applied and Computational Mathematics, Princeton University, Princeton, NJ 08544, USA. ; Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544, USA. Department of Psychology, Princeton University, Princeton, NJ 08544, USA. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26273055" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acoustics ; Animals ; Biomechanical Phenomena ; Callithrix/*growth & development/physiology/psychology ; Female ; Male ; Models, Biological ; Muscle Tonus ; Vocal Cords/growth & development/physiology ; *Vocalization, Animal
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  • 94
    Publikationsdatum: 2015-11-21
    Beschreibung: Infection with intestinal helminths results in immunological changes that influence co-infections, and might influence fecundity by inducing immunological states affecting conception and pregnancy. We investigated associations between intestinal helminths and fertility in women, using 9 years of longitudinal data from 986 Bolivian forager-horticulturalists, experiencing natural fertility and 70% helminth prevalence. We found that different species of helminth are associated with contrasting effects on fecundity. Infection with roundworm (Ascaris lumbricoides) is associated with earlier first births and shortened interbirth intervals, whereas infection with hookworm is associated with delayed first pregnancy and extended interbirth intervals. Thus, helminths may have important effects on human fertility that reflect physiological and immunological consequences of infection.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blackwell, Aaron D -- Tamayo, Marilyne A -- Beheim, Bret -- Trumble, Benjamin C -- Stieglitz, Jonathan -- Hooper, Paul L -- Martin, Melanie -- Kaplan, Hillard -- Gurven, Michael -- P01AG022500/AG/NIA NIH HHS/ -- R01AG024119/AG/NIA NIH HHS/ -- R56AG024119/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Nov 20;350(6263):970-2. doi: 10.1126/science.aac7902.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anthropology, University of California Santa Barbara, CA 93106, USA. Tsimane Health and Life History Project, San Borja, Bolivia. Broom Center for Demography, University of California Santa Barbara, CA 93106, USA. blackwell@anth.ucsb.edu. ; Department of Anthropology, University of Missouri, Columbia, MO 65211, USA. ; Tsimane Health and Life History Project, San Borja, Bolivia. Department of Anthropology, University of New Mexico, Albuquerque, NM 87131, USA. ; Department of Anthropology, University of California Santa Barbara, CA 93106, USA. Tsimane Health and Life History Project, San Borja, Bolivia. Broom Center for Demography, University of California Santa Barbara, CA 93106, USA. Center for Evolutionary Medicine, Arizona State University, Tempe, AZ 85287, USA. School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, USA. ; Tsimane Health and Life History Project, San Borja, Bolivia. Department of Anthropology, University of New Mexico, Albuquerque, NM 87131, USA. Institute for Advanced Study in Toulouse, Toulouse, France. ; Tsimane Health and Life History Project, San Borja, Bolivia. Department of Anthropology, Emory University, Atlanta, GA 30322, USA. ; Department of Anthropology, University of California Santa Barbara, CA 93106, USA. Tsimane Health and Life History Project, San Borja, Bolivia. Broom Center for Demography, University of California Santa Barbara, CA 93106, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26586763" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Age Factors ; Animals ; Ascariasis/epidemiology/immunology ; Ascaris lumbricoides/immunology ; Bolivia/epidemiology ; Coinfection ; Female ; Fertility/*immunology/physiology ; Gravidity/*immunology/physiology ; Helminthiasis/*immunology ; Humans ; Intestinal Diseases, Parasitic/epidemiology/*immunology ; Pregnancy ; Prevalence ; Young Adult
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  • 95
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-09-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mervis, Jeffrey -- New York, N.Y. -- Science. 2015 Sep 25;349(6255):1436-41. doi: 10.1126/science.349.6255.1436. Epub 2015 Sep 24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26404807" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Data Collection ; Environmental Monitoring/*methods/standards ; Foundations ; United States
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  • 96
    Publikationsdatum: 2015-03-15
    Beschreibung: The Ebola epidemic in West Africa has caused substantial morbidity and mortality. The outbreak has also disrupted health care services, including childhood vaccinations, creating a second public health crisis. We project that after 6 to 18 months of disruptions, a large connected cluster of children unvaccinated for measles will accumulate across Guinea, Liberia, and Sierra Leone. This pool of susceptibility increases the expected size of a regional measles outbreak from 127,000 to 227,000 cases after 18 months, resulting in 2000 to 16,000 additional deaths (comparable to the numbers of Ebola deaths reported thus far). There is a clear path to avoiding outbreaks of childhood vaccine-preventable diseases once the threat of Ebola begins to recede: an aggressive regional vaccination campaign aimed at age groups left unprotected because of health care disruptions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4691345/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4691345/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takahashi, Saki -- Metcalf, C Jessica E -- Ferrari, Matthew J -- Moss, William J -- Truelove, Shaun A -- Tatem, Andrew J -- Grenfell, Bryan T -- Lessler, Justin -- R01 AI102939/AI/NIAID NIH HHS/ -- U19AI089674/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 13;347(6227):1240-2. doi: 10.1126/science.aaa3438.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. ; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Woodrow Wilson School, Princeton University, Princeton, NJ 08544, USA. ; Centre for Infectious Disease Dynamics, Pennsylvania State University, State College, PA 16801, USA. ; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. ; Department of Geography and Environment, University of Southampton, Southampton SO17 1BJ, UK. Fogarty International Center, National Institutes of Health, Bethesda, MD 20892, USA. Flowminder Foundation, 17177 Stockholm, Sweden. ; Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. Fogarty International Center, National Institutes of Health, Bethesda, MD 20892, USA. ; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA. justin@jhu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25766232" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Child, Preschool ; Disease Outbreaks/prevention & control/*statistics & numerical data ; Disease Susceptibility ; Guinea/epidemiology ; Hemorrhagic Fever, Ebola/*epidemiology ; Humans ; Immunization Programs/*statistics & numerical data ; Infant ; Liberia/epidemiology ; Measles/*epidemiology/mortality/*prevention & control ; *Measles Vaccine ; Sierra Leone/epidemiology ; Vaccination/*statistics & numerical data
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  • 97
    Publikationsdatum: 2015-07-04
    Beschreibung: Insulators occur in more than one guise; a recent finding was a class of topological insulators, which host a conducting surface juxtaposed with an insulating bulk. Here, we report the observation of an unusual insulating state with an electrically insulating bulk that simultaneously yields bulk quantum oscillations with characteristics of an unconventional Fermi liquid. We present quantum oscillation measurements of magnetic torque in high-purity single crystals of the Kondo insulator SmB6, which reveal quantum oscillation frequencies characteristic of a large three-dimensional conduction electron Fermi surface similar to the metallic rare earth hexaborides such as PrB6 and LaB6. The quantum oscillation amplitude strongly increases at low temperatures, appearing strikingly at variance with conventional metallic behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tan, B S -- Hsu, Y-T -- Zeng, B -- Hatnean, M Ciomaga -- Harrison, N -- Zhu, Z -- Hartstein, M -- Kiourlappou, M -- Srivastava, A -- Johannes, M D -- Murphy, T P -- Park, J-H -- Balicas, L -- Lonzarich, G G -- Balakrishnan, G -- Sebastian, Suchitra E -- New York, N.Y. -- Science. 2015 Jul 17;349(6245):287-90. doi: 10.1126/science.aaa7974. Epub 2015 Jul 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cavendish Laboratory, Cambridge University, JJ Thomson Avenue, Cambridge CB3 OHE, UK. ; National High Magnetic Field Laboratory, Tallahassee, FL 32310, USA. ; Department of Physics, University of Warwick, Coventry CV4 7AL, UK. ; National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, NM 87504, USA. ; Center for Computational Materials Science, Naval Research Laboratory, Washington, DC 20375, USA. ; Cavendish Laboratory, Cambridge University, JJ Thomson Avenue, Cambridge CB3 OHE, UK. suchitra@phy.cam.ac.uk.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26138105" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 98
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-09-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dawson, Todd -- Frey, Serita -- Kelly, Eugene F -- Stafford, Susan -- Schimel, David -- New York, N.Y. -- Science. 2015 Sep 11;349(6253):1176-7. doi: 10.1126/science.349.6253.1176-c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology, University of California, Berkeley, Berkeley, CA 94720, USA. ; Department of Natural Resources, University of New Hampshire, Durham, NH 03824, USA. ; Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523, USA. ; Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, USA. ; Jet Propulsion Laboratory, Pasadena, CA 91101, USA. dschimel@jpl.nasa.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26359396" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Ecology/*economics
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 99
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2015-03-07
    Beschreibung: One hundred years after its birth, general relativity has become a highly successful physical theory in the sense that it has passed a large number of experimental and observational tests and finds extensive application to a wide variety of cosmic phenomena. It remains an active area of research as new tests are on the way, epitomized by the exciting prospect of detecting gravitational waves from merging black holes. General relativity is the essential foundation of the standard model of cosmology and underlies our description of the black holes and neutron stars that are ultimately responsible for the most powerful and dramatic cosmic sources. Its interface with physics on the smallest and largest scales will continue to provide fertile areas of investigation in its next century.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blandford, R D -- New York, N.Y. -- Science. 2015 Mar 6;347(6226):1103-8. doi: 10.1126/science.aaa4033.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, CA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25745165" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
    Publikationsdatum: 2015-04-18
    Beschreibung: Dermal fibroblasts represent a heterogeneous population of cells with diverse features that remain largely undefined. We reveal the presence of at least two fibroblast lineages in murine dorsal skin. Lineage tracing and transplantation assays demonstrate that a single fibroblast lineage is responsible for the bulk of connective tissue deposition during embryonic development, cutaneous wound healing, radiation fibrosis, and cancer stroma formation. Lineage-specific cell ablation leads to diminished connective tissue deposition in wounds and reduces melanoma growth. Using flow cytometry, we identify CD26/DPP4 as a surface marker that allows isolation of this lineage. Small molecule-based inhibition of CD26/DPP4 enzymatic activity during wound healing results in diminished cutaneous scarring. Identification and isolation of these lineages hold promise for translational medicine aimed at in vivo modulation of fibrogenic behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rinkevich, Yuval -- Walmsley, Graham G -- Hu, Michael S -- Maan, Zeshaan N -- Newman, Aaron M -- Drukker, Micha -- Januszyk, Michael -- Krampitz, Geoffrey W -- Gurtner, Geoffrey C -- Lorenz, H Peter -- Weissman, Irving L -- Longaker, Michael T -- GM07365/GM/NIGMS NIH HHS/ -- R01 GM087609/GM/NIGMS NIH HHS/ -- U01 HL099776/HL/NHLBI NIH HHS/ -- U01 HL099999/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2015 Apr 17;348(6232):aaa2151. doi: 10.1126/science.aaa2151.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. ryuval@stanford.edu irv@stanford.edu longaker@stanford.edu. ; Institute for Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Plastic and Reconstructive Surgery, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Plastic and Reconstructive Surgery, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Institute for Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Institute for Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. Ludwig Center for Cancer Stem Cell Biology and Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA. ryuval@stanford.edu irv@stanford.edu longaker@stanford.edu. ; Institute for Stem Cell Biology and Regenerative Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA. Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Plastic and Reconstructive Surgery, Stanford University School of Medicine, Stanford, CA 94305, USA. ryuval@stanford.edu irv@stanford.edu longaker@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25883361" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cell Lineage/genetics ; Cell Separation/*methods ; Cicatrix/metabolism/*pathology ; Disease Models, Animal ; Embryonic Development ; Embryonic Stem Cells/cytology ; Fibroblasts/cytology/pathology/*physiology ; Gene Expression ; Homeodomain Proteins/genetics ; Mice ; Mouth/injuries/pathology/surgery ; Skin/injuries/*pathology ; Translational Medical Research ; *Wound Healing
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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